1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Expressions</title> 5<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="Chapter 1. Boost.Log v2"> 8<link rel="up" href="log/reference.html" title="Reference"> 9<link rel="prev" href="boost/log/value_visitor_invoker.html" title="Class template value_visitor_invoker"> 10<link rel="next" href="boost/log/expressions/attr_idm46079581366752.html" title="Function template attr"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td></tr></table> 14<hr> 15<div class="spirit-nav"> 16<a accesskey="p" href="boost/log/value_visitor_invoker.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="log/reference.html"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="boost/log/expressions/attr_idm46079581366752.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 17</div> 18<div class="section"> 19<div class="titlepage"><div><div><h3 class="title"> 20<a name="expressions"></a>Expressions</h3></div></div></div> 21<div class="toc"><dl class="toc"> 22<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.attr_hpp">Header <boost/log/expressions/attr.hpp></a></span></dt> 23<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.attr_fwd_hpp">Header <boost/log/expressions/attr_fwd.hpp></a></span></dt> 24<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.filter_hpp">Header <boost/log/expressions/filter.hpp></a></span></dt> 25<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatter_hpp">Header <boost/log/expressions/formatter.hpp></a></span></dt> 26<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters_hpp">Header <boost/log/expressions/formatters.hpp></a></span></dt> 27<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.auto_newline_hpp">Header <boost/log/expressions/formatters/auto_newline.hpp></a></span></dt> 28<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.c_decorator_hpp">Header <boost/log/expressions/formatters/c_decorator.hpp></a></span></dt> 29<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.char_decorator_hpp">Header <boost/log/expressions/formatters/char_decorator.hpp></a></span></dt> 30<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.csv_decorator_hpp">Header <boost/log/expressions/formatters/csv_decorator.hpp></a></span></dt> 31<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.date_time_hpp">Header <boost/log/expressions/formatters/date_time.hpp></a></span></dt> 32<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.format_hpp">Header <boost/log/expressions/formatters/format.hpp></a></span></dt> 33<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.if_hpp">Header <boost/log/expressions/formatters/if.hpp></a></span></dt> 34<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.max_size_decorator_hpp">Header <boost/log/expressions/formatters/max_size_decorator.hpp></a></span></dt> 35<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.named_scope_hpp">Header <boost/log/expressions/formatters/named_scope.hpp></a></span></dt> 36<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.stream_hpp">Header <boost/log/expressions/formatters/stream.hpp></a></span></dt> 37<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.wrap_formatter_hpp">Header <boost/log/expressions/formatters/wrap_formatter.hpp></a></span></dt> 38<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.xml_decorator_hpp">Header <boost/log/expressions/formatters/xml_decorator.hpp></a></span></dt> 39<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.is_keyword_descriptor_hpp">Header <boost/log/expressions/is_keyword_descriptor.hpp></a></span></dt> 40<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.keyword_hpp">Header <boost/log/expressions/keyword.hpp></a></span></dt> 41<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.keyword_fwd_hpp">Header <boost/log/expressions/keyword_fwd.hpp></a></span></dt> 42<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.message_hpp">Header <boost/log/expressions/message.hpp></a></span></dt> 43<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates_hpp">Header <boost/log/expressions/predicates.hpp></a></span></dt> 44<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.begins_with_hpp">Header <boost/log/expressions/predicates/begins_with.hpp></a></span></dt> 45<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.channel_severity_filter_hpp">Header <boost/log/expressions/predicates/channel_severity_filter.hpp></a></span></dt> 46<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.contains_hpp">Header <boost/log/expressions/predicates/contains.hpp></a></span></dt> 47<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.ends_with_hpp">Header <boost/log/expressions/predicates/ends_with.hpp></a></span></dt> 48<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.has_attr_hpp">Header <boost/log/expressions/predicates/has_attr.hpp></a></span></dt> 49<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.is_debugger_present_hpp">Header <boost/log/expressions/predicates/is_debugger_present.hpp></a></span></dt> 50<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.is_in_range_hpp">Header <boost/log/expressions/predicates/is_in_range.hpp></a></span></dt> 51<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.matches_hpp">Header <boost/log/expressions/predicates/matches.hpp></a></span></dt> 52<dt><span class="section"><a href="expressions.html#header.boost.log.expressions.record_hpp">Header <boost/log/expressions/record.hpp></a></span></dt> 53</dl></div> 54<div class="section"> 55<div class="titlepage"><div><div><h4 class="title"> 56<a name="header.boost.log.expressions.attr_hpp"></a>Header <<a href="../../../../boost/log/expressions/attr.hpp" target="_top">boost/log/expressions/attr.hpp</a>></h4></div></div></div> 57<p>Andrey Semashev </p> 58<p> 59 60</p> 61<p>21.07.2012</p> 62<p> 63 64The header contains implementation of a generic attribute placeholder in template expressions. </p> 65<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 66 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 67 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 68 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> AttributeValueT<span class="special">></span> 69 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">AttributeValueT</span> <span class="special">></span> <a class="link" href="boost/log/expressions/attr_idm46079581366752.html" title="Function template attr"><span class="identifier">attr</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 70 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> AttributeValueT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">></span> 71 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">AttributeValueT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">TagT</span> <span class="special">></span> 72 <a class="link" href="boost/log/expressions/attr_idm46079581363536.html" title="Function template attr"><span class="identifier">attr</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 73 <span class="special">}</span> 74 <span class="special">}</span> 75<span class="special">}</span></pre> 76</div> 77<div class="section"> 78<div class="titlepage"><div><div><h4 class="title"> 79<a name="header.boost.log.expressions.attr_fwd_hpp"></a>Header <<a href="../../../../boost/log/expressions/attr_fwd.hpp" target="_top">boost/log/expressions/attr_fwd.hpp</a>></h4></div></div></div> 80<p>Andrey Semashev </p> 81<p> 82 83</p> 84<p>21.07.2012</p> 85<p> 86 87The header contains forward declaration of a generic attribute placeholder in template expressions. </p> 88<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 89 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 90 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 91 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 92 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 93 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">;</span> 94 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">></span> 95 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/attribute_terminal.html" title="Class template attribute_terminal">attribute_terminal</a><span class="special">;</span> 96 <span class="special">}</span> 97 <span class="special">}</span> 98<span class="special">}</span></pre> 99</div> 100<div class="section"> 101<div class="titlepage"><div><div><h4 class="title"> 102<a name="header.boost.log.expressions.filter_hpp"></a>Header <<a href="../../../../boost/log/expressions/filter.hpp" target="_top">boost/log/expressions/filter.hpp</a>></h4></div></div></div> 103<p>Andrey Semashev </p> 104<p> 105 106</p> 107<p>13.07.2012</p> 108<p> 109 110The header contains a filter function object definition. </p> 111<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 112 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 113 <span class="keyword">class</span> <a class="link" href="boost/log/filter.html" title="Class filter">filter</a><span class="special">;</span> 114 <span class="keyword">void</span> <a class="link" href="boost/log/swap_idm46079580870336.html" title="Function swap"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="boost/log/filter.html" title="Class filter">filter</a> <span class="special">&</span><span class="special">,</span> <a class="link" href="boost/log/filter.html" title="Class filter">filter</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 115 <span class="special">}</span> 116<span class="special">}</span></pre> 117</div> 118<div class="section"> 119<div class="titlepage"><div><div><h4 class="title"> 120<a name="header.boost.log.expressions.formatter_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatter.hpp" target="_top">boost/log/expressions/formatter.hpp</a>></h4></div></div></div> 121<p>Andrey Semashev </p> 122<p> 123 124</p> 125<p>13.07.2012</p> 126<p> 127 128The header contains a formatter function object definition. </p> 129<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 130 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 131 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="keyword">class</span> <a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special">;</span> 132 133 <span class="keyword">typedef</span> <a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special"><</span> <span class="keyword">char</span> <span class="special">></span> <a name="boost.log.formatter"></a><span class="identifier">formatter</span><span class="special">;</span> 134 <span class="keyword">typedef</span> <a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special"><</span> <span class="keyword">wchar_t</span> <span class="special">></span> <a name="boost.log.wformatter"></a><span class="identifier">wformatter</span><span class="special">;</span> 135 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> 136 <span class="keyword">void</span> <a class="link" href="boost/log/swap_idm46079580833056.html" title="Function template swap"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="special">&</span><span class="special">,</span> <a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 137 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 138 <span class="special">}</span> 139 <span class="special">}</span> 140<span class="special">}</span></pre> 141</div> 142<div class="section"> 143<div class="titlepage"><div><div><h4 class="title"> 144<a name="header.boost.log.expressions.formatters_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters.hpp" target="_top">boost/log/expressions/formatters.hpp</a>></h4></div></div></div> 145<p>Andrey Semashev </p> 146<p> 147 148</p> 149<p>10.11.2012</p> 150<p> 151 152The header includes all template expression formatters. </p> 153</div> 154<div class="section"> 155<div class="titlepage"><div><div><h4 class="title"> 156<a name="header.boost.log.expressions.formatters.auto_newline_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/auto_newline.hpp" target="_top">boost/log/expressions/formatters/auto_newline.hpp</a>></h4></div></div></div> 157<p>Andrey Semashev </p> 158<p> 159 160</p> 161<p>23.06.2019</p> 162<p> 163 164The header contains implementation of formatter for inserting a newline, unless there is already one inserted. </p> 165</div> 166<div class="section"> 167<div class="titlepage"><div><div><h4 class="title"> 168<a name="header.boost.log.expressions.formatters.c_decorator_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/c_decorator.hpp" target="_top">boost/log/expressions/formatters/c_decorator.hpp</a>></h4></div></div></div> 169<p>Andrey Semashev </p> 170<p> 171 172</p> 173<p>18.11.2012</p> 174<p> 175 176The header contains implementation of C-style character decorators. </p> 177<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 178 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 179 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 180 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/c_ascii_pattern_replacer.html" title="Class template c_ascii_pattern_replacer">c_ascii_pattern_replacer</a><span class="special">;</span> 181 182 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/c_decor.html" title="Global c_decor">c_decor</a><span class="special">;</span> 183 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wc_decor.html" title="Global wc_decor">wc_decor</a><span class="special">;</span> 184 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/c_ascii_decor.html" title="Global c_ascii_decor">c_ascii_decor</a><span class="special">;</span> 185 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wc_ascii_decor.html" title="Global wc_ascii_decor">wc_ascii_decor</a><span class="special">;</span> 186 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/make_c_decor.html" title="Function template make_c_decor"><span class="identifier">make_c_decor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 187 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/make_c_ascii_decor.html" title="Function template make_c_ascii_decor"><span class="identifier">make_c_ascii_decor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 188 <span class="special">}</span> 189 <span class="special">}</span> 190<span class="special">}</span></pre> 191</div> 192<div class="section"> 193<div class="titlepage"><div><div><h4 class="title"> 194<a name="header.boost.log.expressions.formatters.char_decorator_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/char_decorator.hpp" target="_top">boost/log/expressions/formatters/char_decorator.hpp</a>></h4></div></div></div> 195<p>Andrey Semashev </p> 196<p> 197 198</p> 199<p>17.11.2012</p> 200<p> 201 202The header contains implementation of a character decorator. </p> 203<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 204 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 205 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 206 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SubactorT<span class="special">,</span> <span class="keyword">typename</span> ImplT<span class="special">,</span> 207 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">></span> 208 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/char_decorator_actor.html" title="Class template char_decorator_actor">char_decorator_actor</a><span class="special">;</span> 209 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SubactorT<span class="special">,</span> <span class="keyword">typename</span> ImplT<span class="special">></span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/char_decorator_terminal.html" title="Class template char_decorator_terminal">char_decorator_terminal</a><span class="special">;</span> 210 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/pattern_replacer.html" title="Class template pattern_replacer">pattern_replacer</a><span class="special">;</span> 211 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> RangeT<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/char_dec_idm46079578612688.html" title="Function template char_decor"><span class="identifier">char_decor</span></a><span class="special">(</span><span class="identifier">RangeT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 212 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FromRangeT<span class="special">,</span> <span class="keyword">typename</span> ToRangeT<span class="special">></span> 213 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/char_dec_idm46079578607520.html" title="Function template char_decor"><span class="identifier">char_decor</span></a><span class="special">(</span><span class="identifier">FromRangeT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">ToRangeT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 214 <span class="special">}</span> 215 <span class="special">}</span> 216<span class="special">}</span></pre> 217</div> 218<div class="section"> 219<div class="titlepage"><div><div><h4 class="title"> 220<a name="header.boost.log.expressions.formatters.csv_decorator_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/csv_decorator.hpp" target="_top">boost/log/expressions/formatters/csv_decorator.hpp</a>></h4></div></div></div> 221<p>Andrey Semashev </p> 222<p> 223 224</p> 225<p>18.11.2012</p> 226<p> 227 228The header contains implementation of a CSV-style character decorator. See: <a href="http://en.wikipedia.org/wiki/Comma-separated_values" target="_top">http://en.wikipedia.org/wiki/Comma-separated_values</a> </p> 229<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 230 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 231 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 232 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/csv_decor.html" title="Global csv_decor">csv_decor</a><span class="special">;</span> 233 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wcsv_decor.html" title="Global wcsv_decor">wcsv_decor</a><span class="special">;</span> 234 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/make_csv_decor.html" title="Function template make_csv_decor"><span class="identifier">make_csv_decor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 235 <span class="special">}</span> 236 <span class="special">}</span> 237<span class="special">}</span></pre> 238</div> 239<div class="section"> 240<div class="titlepage"><div><div><h4 class="title"> 241<a name="header.boost.log.expressions.formatters.date_time_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/date_time.hpp" target="_top">boost/log/expressions/formatters/date_time.hpp</a>></h4></div></div></div> 242<p>Andrey Semashev </p> 243<p> 244 245</p> 246<p>16.09.2012</p> 247<p> 248 249The header contains a formatter function for date and time attribute values. </p> 250<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 251 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 252 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 253 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span> 254 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">></span> 255 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special">;</span> 256 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 257 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_date_time_terminal.html" title="Class template format_date_time_terminal">format_date_time_terminal</a><span class="special">;</span> 258 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> AttributeValueT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 259 <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special"><</span> <span class="identifier">AttributeValueT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">></span> 260 <a class="link" href="boost/log/expressions/format_d_idm46079578535872.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 261 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> AttributeValueT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 262 <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special"><</span> <span class="identifier">AttributeValueT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">></span> 263 <a class="link" href="boost/log/expressions/format_d_idm46079578529808.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 264 <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 265 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 266 <span class="keyword">typename</span> CharT<span class="special">></span> 267 <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">DescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 268 <a class="link" href="boost/log/expressions/format_d_idm46079578523728.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 269 <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 270 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 271 <span class="keyword">typename</span> CharT<span class="special">></span> 272 <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">DescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 273 <a class="link" href="boost/log/expressions/format_d_idm46079578516480.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 274 <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 275 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 276 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 277 <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 278 <a class="link" href="boost/log/expressions/format_d_idm46079578509216.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 279 <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 280 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 281 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 282 <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 283 <a class="link" href="boost/log/expressions/format_d_idm46079578500864.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 284 <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 285 <span class="special">}</span> 286 <span class="special">}</span> 287<span class="special">}</span></pre> 288</div> 289<div class="section"> 290<div class="titlepage"><div><div><h4 class="title"> 291<a name="header.boost.log.expressions.formatters.format_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/format.hpp" target="_top">boost/log/expressions/formatters/format.hpp</a>></h4></div></div></div> 292<p>Andrey Semashev </p> 293<p> 294 295</p> 296<p>15.11.2012</p> 297<p> 298 299The header contains a generic log record formatter function. </p> 300<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 301 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 302 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 303 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_terminal.html" title="Class template format_terminal">format_terminal</a><span class="special">;</span> 304 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> 305 <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special"><</span> <a class="link" href="boost/log/expressions/format_terminal.html" title="Class template format_terminal">format_terminal</a><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="special">></span> <a class="link" href="boost/log/expressions/format_idm46079578476240.html" title="Function template format"><span class="identifier">format</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 306 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> TraitsT<span class="special">,</span> <span class="keyword">typename</span> AllocatorT<span class="special">></span> 307 <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special"><</span> <a class="link" href="boost/log/expressions/format_terminal.html" title="Class template format_terminal">format_terminal</a><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="special">></span> 308 <a class="link" href="boost/log/expressions/format_idm46079578472864.html" title="Function template format"><span class="identifier">format</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">TraitsT</span><span class="special">,</span> <span class="identifier">AllocatorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 309 <span class="special">}</span> 310 <span class="special">}</span> 311<span class="special">}</span></pre> 312</div> 313<div class="section"> 314<div class="titlepage"><div><div><h4 class="title"> 315<a name="header.boost.log.expressions.formatters.if_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/if.hpp" target="_top">boost/log/expressions/formatters/if.hpp</a>></h4></div></div></div> 316<p>Andrey Semashev </p> 317<p> 318 319</p> 320<p>17.11.2012</p> 321<p> 322 323The header contains implementation of a conditional formatter. </p> 324<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 325 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 326 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 327 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CondT<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/if_.html" title="Function template if_"><span class="identifier">if_</span></a><span class="special">(</span><span class="identifier">CondT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 328 <span class="special">}</span> 329 <span class="special">}</span> 330<span class="special">}</span></pre> 331</div> 332<div class="section"> 333<div class="titlepage"><div><div><h4 class="title"> 334<a name="header.boost.log.expressions.formatters.max_size_decorator_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/max_size_decorator.hpp" target="_top">boost/log/expressions/formatters/max_size_decorator.hpp</a>></h4></div></div></div> 335<p>Andrey Semashev </p> 336<p> 337 338</p> 339<p>06.07.2016</p> 340<p> 341 342The header contains implementation of a string length limiting decorator. </p> 343<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 344 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 345 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 346 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SubactorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span> 347 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">></span> 348 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/max_size_decorator_actor.html" title="Class template max_size_decorator_actor">max_size_decorator_actor</a><span class="special">;</span> 349 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SubactorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 350 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/max_size_idm46079578444608.html" title="Class template max_size_decorator_terminal">max_size_decorator_terminal</a><span class="special">;</span> 351 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/max_size_idm46079578414480.html" title="Function template max_size_decor"><span class="identifier">max_size_decor</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">)</span><span class="special">;</span> 352 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> 353 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/max_size_idm46079578410208.html" title="Function template max_size_decor"><span class="identifier">max_size_decor</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 354 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> 355 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/max_size_idm46079578402784.html" title="Function template max_size_decor"><span class="identifier">max_size_decor</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> 356 <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 357 <span class="special">}</span> 358 <span class="special">}</span> 359<span class="special">}</span></pre> 360</div> 361<div class="section"> 362<div class="titlepage"><div><div><h4 class="title"> 363<a name="header.boost.log.expressions.formatters.named_scope_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/named_scope.hpp" target="_top">boost/log/expressions/formatters/named_scope.hpp</a>></h4></div></div></div> 364<p>Andrey Semashev </p> 365<p> 366 367</p> 368<p>11.11.2012</p> 369<p> 370 371The header contains a formatter function for named scope attribute values. </p> 372<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 373 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 374 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 375 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span> 376 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">></span> 377 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special">;</span> 378 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 379 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_n_idm46079578371584.html" title="Class template format_named_scope_terminal">format_named_scope_terminal</a><span class="special">;</span> 380 381 <span class="comment">// Scope iteration directions. </span> 382 <span class="keyword">enum</span> <a name="boost.log.expressions.scope_iteration_direction"></a>scope_iteration_direction <span class="special">{</span> forward, reverse <span class="special">}</span><span class="special">;</span> 383 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> 384 <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special"><</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">></span> 385 <a class="link" href="boost/log/expressions/format_n_idm46079578339104.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 386 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> 387 <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special"><</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">></span> 388 <a class="link" href="boost/log/expressions/format_n_idm46079578333584.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 389 <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 390 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 391 <span class="keyword">typename</span> CharT<span class="special">></span> 392 <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special"><</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 393 <a class="link" href="boost/log/expressions/format_n_idm46079578328048.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 394 <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 395 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 396 <span class="keyword">typename</span> CharT<span class="special">></span> 397 <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special"><</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 398 <a class="link" href="boost/log/expressions/format_n_idm46079578320800.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 399 <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 400 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 401 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 402 <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special"><</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 403 <a class="link" href="boost/log/expressions/format_n_idm46079578313536.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 404 <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> 405 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 406 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> 407 <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special"><</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 408 <a class="link" href="boost/log/expressions/format_n_idm46079578305152.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 409 <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">CharT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 410 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span><span class="special">...</span> ArgsT<span class="special">></span> 411 <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_n_idm46079578296752.html" title="Function format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 412 <span class="identifier">ArgsT</span><span class="special">...</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 413 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 414 <span class="keyword">typename</span><span class="special">...</span> ArgsT<span class="special">></span> 415 <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_n_idm46079578296752.html" title="Function format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 416 <span class="identifier">ArgsT</span><span class="special">...</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 417 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 418 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span><span class="special">...</span> ArgsT<span class="special">></span> 419 <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_n_idm46079578296752.html" title="Function format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 420 <span class="identifier">ArgsT</span><span class="special">...</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 421 <span class="special">}</span> 422 <span class="special">}</span> 423<span class="special">}</span></pre> 424</div> 425<div class="section"> 426<div class="titlepage"><div><div><h4 class="title"> 427<a name="header.boost.log.expressions.formatters.stream_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/stream.hpp" target="_top">boost/log/expressions/formatters/stream.hpp</a>></h4></div></div></div> 428<p>Andrey Semashev </p> 429<p> 430 431</p> 432<p>24.07.2012</p> 433<p> 434 435The header contains implementation of a stream placeholder in template expressions. </p> 436<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 437 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 438 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 439 <span class="keyword">typedef</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">expression</span><span class="special">::</span><span class="identifier">argument</span><span class="special"><</span> <span class="number">2</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <a class="link" href="boost/log/expressions/stream_type.html" title="Type definition stream_type"><span class="identifier">stream_type</span></a><span class="special">;</span> 440 441 <span class="keyword">const</span> <span class="identifier">stream_type</span> <a class="link" href="boost/log/expressions/stream.html" title="Global stream">stream</a><span class="special">;</span> 442 <span class="special">}</span> 443 <span class="special">}</span> 444<span class="special">}</span></pre> 445</div> 446<div class="section"> 447<div class="titlepage"><div><div><h4 class="title"> 448<a name="header.boost.log.expressions.formatters.wrap_formatter_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/wrap_formatter.hpp" target="_top">boost/log/expressions/formatters/wrap_formatter.hpp</a>></h4></div></div></div> 449<p>Andrey Semashev </p> 450<p> 451 452</p> 453<p>24.11.2012</p> 454<p> 455 456The header contains a formatter function wrapper that enables third-party functions to participate in formatting expressions. </p> 457<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 458 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 459 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 460 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FunT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span> 461 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">></span> 462 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/wrapped_formatter_actor.html" title="Class template wrapped_formatter_actor">wrapped_formatter_actor</a><span class="special">;</span> 463 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FunT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">></span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/wrapped_formatter_terminal.html" title="Class template wrapped_formatter_terminal">wrapped_formatter_terminal</a><span class="special">;</span> 464 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FunT<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wrap_for_idm46079578230576.html" title="Function template wrap_formatter"><span class="identifier">wrap_formatter</span></a><span class="special">(</span><span class="identifier">FunT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 465 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> FunT<span class="special">></span> 466 <a class="link" href="boost/log/expressions/wrapped_formatter_actor.html" title="Class template wrapped_formatter_actor">wrapped_formatter_actor</a><span class="special"><</span> <span class="identifier">FunT</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">></span> <a class="link" href="boost/log/expressions/wrap_for_idm46079578226384.html" title="Function template wrap_formatter"><span class="identifier">wrap_formatter</span></a><span class="special">(</span><span class="identifier">FunT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 467 <span class="special">}</span> 468 <span class="special">}</span> 469<span class="special">}</span></pre> 470</div> 471<div class="section"> 472<div class="titlepage"><div><div><h4 class="title"> 473<a name="header.boost.log.expressions.formatters.xml_decorator_hpp"></a>Header <<a href="../../../../boost/log/expressions/formatters/xml_decorator.hpp" target="_top">boost/log/expressions/formatters/xml_decorator.hpp</a>></h4></div></div></div> 474<p>Andrey Semashev </p> 475<p> 476 477</p> 478<p>18.11.2012</p> 479<p> 480 481The header contains implementation of a XML-style character decorator. </p> 482<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 483 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 484 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 485 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/xml_decor.html" title="Global xml_decor">xml_decor</a><span class="special">;</span> 486 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wxml_decor.html" title="Global wxml_decor">wxml_decor</a><span class="special">;</span> 487 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/make_xml_decor.html" title="Function template make_xml_decor"><span class="identifier">make_xml_decor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 488 <span class="special">}</span> 489 <span class="special">}</span> 490<span class="special">}</span></pre> 491</div> 492<div class="section"> 493<div class="titlepage"><div><div><h4 class="title"> 494<a name="header.boost.log.expressions.is_keyword_descriptor_hpp"></a>Header <<a href="../../../../boost/log/expressions/is_keyword_descriptor.hpp" target="_top">boost/log/expressions/is_keyword_descriptor.hpp</a>></h4></div></div></div> 495<p>Andrey Semashev </p> 496<p> 497 498</p> 499<p>14.07.2012</p> 500<p> 501 502The header contains attribute keyword descriptor detection trait. </p> 503<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 504 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 505 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 506 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> VoidT <span class="special">=</span> <span class="keyword">void</span><span class="special">></span> <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/is_keyword_descriptor.html" title="Struct template is_keyword_descriptor">is_keyword_descriptor</a><span class="special">;</span> 507 <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/keyword_descriptor.html" title="Struct keyword_descriptor">keyword_descriptor</a><span class="special">;</span> 508 <span class="special">}</span> 509 <span class="special">}</span> 510<span class="special">}</span></pre> 511</div> 512<div class="section"> 513<div class="titlepage"><div><div><h4 class="title"> 514<a name="header.boost.log.expressions.keyword_hpp"></a>Header <<a href="../../../../boost/log/expressions/keyword.hpp" target="_top">boost/log/expressions/keyword.hpp</a>></h4></div></div></div> 515<p>Andrey Semashev </p> 516<p> 517 518</p> 519<p>29.01.2012</p> 520<p> 521 522The header contains attribute keyword declaration. </p> 523<pre class="synopsis"> 524 525<a class="link" href="BOOST_LO_idm46079578196832.html" title="Macro BOOST_LOG_ATTRIBUTE_KEYWORD_TYPE">BOOST_LOG_ATTRIBUTE_KEYWORD_TYPE</a>(keyword_, name_, value_type_) 526<a class="link" href="BOOST_LO_idm46079578189088.html" title="Macro BOOST_LOG_ATTRIBUTE_KEYWORD">BOOST_LOG_ATTRIBUTE_KEYWORD</a>(keyword_, name_, value_type_)</pre> 527</div> 528<div class="section"> 529<div class="titlepage"><div><div><h4 class="title"> 530<a name="header.boost.log.expressions.keyword_fwd_hpp"></a>Header <<a href="../../../../boost/log/expressions/keyword_fwd.hpp" target="_top">boost/log/expressions/keyword_fwd.hpp</a>></h4></div></div></div> 531<p>Andrey Semashev </p> 532<p> 533 534</p> 535<p>29.01.2012</p> 536<p> 537 538The header contains attribute keyword forward declaration. </p> 539<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 540 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 541 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 542 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 543 <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">;</span> 544 <span class="special">}</span> 545 <span class="special">}</span> 546<span class="special">}</span></pre> 547</div> 548<div class="section"> 549<div class="titlepage"><div><div><h4 class="title"> 550<a name="header.boost.log.expressions.message_hpp"></a>Header <<a href="../../../../boost/log/expressions/message.hpp" target="_top">boost/log/expressions/message.hpp</a>></h4></div></div></div> 551<p>Andrey Semashev </p> 552<p> 553 554</p> 555<p>13.07.2012</p> 556<p> 557 558The header contains log message keyword declaration. </p> 559<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 560 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 561 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 562 <span class="keyword">typedef</span> <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <a class="link" href="boost/log/expressions/tag/message.html" title="Struct message">tag::message</a> <span class="special">></span> <a class="link" href="boost/log/expressions/message_type.html" title="Type definition message_type"><span class="identifier">message_type</span></a><span class="special">;</span> 563 <span class="keyword">typedef</span> <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <a class="link" href="boost/log/expressions/tag/smessage.html" title="Struct smessage">tag::smessage</a> <span class="special">></span> <a class="link" href="boost/log/expressions/smessage_type.html" title="Type definition smessage_type"><span class="identifier">smessage_type</span></a><span class="special">;</span> 564 <span class="keyword">typedef</span> <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <a class="link" href="boost/log/expressions/tag/wmessage.html" title="Struct wmessage">tag::wmessage</a> <span class="special">></span> <a class="link" href="boost/log/expressions/wmessage_type.html" title="Type definition wmessage_type"><span class="identifier">wmessage_type</span></a><span class="special">;</span> 565 566 <span class="keyword">const</span> <span class="identifier">message_type</span> <a class="link" href="boost/log/expressions/message.html" title="Global message">message</a><span class="special">;</span> 567 <span class="keyword">const</span> <span class="identifier">smessage_type</span> <a class="link" href="boost/log/expressions/smessage.html" title="Global smessage">smessage</a><span class="special">;</span> 568 <span class="keyword">const</span> <span class="identifier">wmessage_type</span> <a class="link" href="boost/log/expressions/wmessage.html" title="Global wmessage">wmessage</a><span class="special">;</span> 569 <span class="keyword">namespace</span> <span class="identifier">tag</span> <span class="special">{</span> 570 <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/message.html" title="Struct message">message</a><span class="special">;</span> 571 <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/smessage.html" title="Struct smessage">smessage</a><span class="special">;</span> 572 <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/wmessage.html" title="Struct wmessage">wmessage</a><span class="special">;</span> 573 <span class="special">}</span> 574 <span class="special">}</span> 575 <span class="special">}</span> 576<span class="special">}</span></pre> 577</div> 578<div class="section"> 579<div class="titlepage"><div><div><h4 class="title"> 580<a name="header.boost.log.expressions.predicates_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates.hpp" target="_top">boost/log/expressions/predicates.hpp</a>></h4></div></div></div> 581<p>Andrey Semashev </p> 582<p> 583 584</p> 585<p>29.01.2012</p> 586<p> 587 588The header includes all template expression predicates. </p> 589</div> 590<div class="section"> 591<div class="titlepage"><div><div><h4 class="title"> 592<a name="header.boost.log.expressions.predicates.begins_with_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates/begins_with.hpp" target="_top">boost/log/expressions/predicates/begins_with.hpp</a>></h4></div></div></div> 593<p>Andrey Semashev </p> 594<p> 595 596</p> 597<p>02.09.2012</p> 598<p> 599 600The header contains implementation of a <code class="computeroutput">begins_with</code> predicate in template expressions. </p> 601<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 602 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 603 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 604 <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/attribute_begins_with.html" title="Type definition attribute_begins_with"><span class="identifier">attribute_begins_with</span></a><span class="special">;</span> 605 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 606 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">></span> 607 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_w_idm46079578131920.html" title="Function template begins_with"><span class="identifier">begins_with</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 608 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 609 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 610 <span class="keyword">typename</span> SubstringT<span class="special">></span> 611 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_w_idm46079578125280.html" title="Function template begins_with"><span class="identifier">begins_with</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 612 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 613 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">></span> 614 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_w_idm46079578119776.html" title="Function template begins_with"><span class="identifier">begins_with</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 615 <span class="special">}</span> 616 <span class="special">}</span> 617<span class="special">}</span></pre> 618</div> 619<div class="section"> 620<div class="titlepage"><div><div><h4 class="title"> 621<a name="header.boost.log.expressions.predicates.channel_severity_filter_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates/channel_severity_filter.hpp" target="_top">boost/log/expressions/predicates/channel_severity_filter.hpp</a>></h4></div></div></div> 622<p>Andrey Semashev </p> 623<p> 624 625</p> 626<p>25.11.2012</p> 627<p> 628 629The header contains implementation of a minimal severity per channel filter. </p> 630<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 631 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 632 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 633 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 634 <span class="keyword">typename</span> ChannelFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> 635 <span class="keyword">typename</span> SeverityFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> 636 <span class="keyword">typename</span> ChannelOrderT <span class="special">=</span> <span class="identifier">less</span><span class="special">,</span> 637 <span class="keyword">typename</span> SeverityCompareT <span class="special">=</span> <span class="identifier">greater_equal</span><span class="special">,</span> 638 <span class="keyword">typename</span> AllocatorT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> 639 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">></span> 640 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/channel__idm46079578111408.html" title="Class template channel_severity_filter_actor">channel_severity_filter_actor</a><span class="special">;</span> 641 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 642 <span class="keyword">typename</span> ChannelFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> 643 <span class="keyword">typename</span> SeverityFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> 644 <span class="keyword">typename</span> ChannelOrderT <span class="special">=</span> <span class="identifier">less</span><span class="special">,</span> 645 <span class="keyword">typename</span> SeverityCompareT <span class="special">=</span> <span class="identifier">greater_equal</span><span class="special">,</span> 646 <span class="keyword">typename</span> AllocatorT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span> <span class="special">></span> 647 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/channel__idm46079578082128.html" title="Class template channel_severity_filter_terminal">channel_severity_filter_terminal</a><span class="special">;</span> 648 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">></span> 649 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span> <span class="special">></span> 650 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 651 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 652 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> 653 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 654 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 655 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 656 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 657 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span> 658 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 659 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 660 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 661 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 662 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span> 663 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 664 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 665 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 666 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 667 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelT<span class="special">,</span> 668 <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> 669 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 670 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 671 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 672 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 673 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 674 <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span> 675 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 676 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 677 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 678 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 679 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> 680 <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 681 <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span> 682 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 683 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 684 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 685 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 686 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 687 <span class="keyword">typename</span> SeverityCompareT<span class="special">></span> 688 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span> <span class="special">></span> 689 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 690 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 691 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 692 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> 693 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">></span> 694 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 695 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 696 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 697 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 698 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span> 699 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">></span> 700 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 701 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 702 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 703 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 704 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span> 705 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">></span> 706 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 707 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 708 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 709 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 710 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelT<span class="special">,</span> 711 <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> 712 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">></span> 713 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 714 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 715 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 716 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 717 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 718 <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span> 719 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">></span> 720 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 721 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 722 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 723 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 724 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> 725 <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 726 <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span> 727 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">></span> 728 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 729 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 730 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 731 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 732 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 733 <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> <span class="keyword">typename</span> ChannelOrderT<span class="special">></span> 734 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span> <span class="special">></span> 735 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 736 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 737 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 738 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 739 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> 740 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> 741 <span class="keyword">typename</span> ChannelOrderT<span class="special">></span> 742 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 743 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 744 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 745 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 746 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 747 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span> 748 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> 749 <span class="keyword">typename</span> ChannelOrderT<span class="special">></span> 750 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 751 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 752 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 753 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 754 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 755 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span> 756 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> 757 <span class="keyword">typename</span> ChannelOrderT<span class="special">></span> 758 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 759 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 760 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 761 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 762 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 763 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelT<span class="special">,</span> 764 <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> 765 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> 766 <span class="keyword">typename</span> ChannelOrderT<span class="special">></span> 767 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 768 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 769 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 770 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 771 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 772 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 773 <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span> 774 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> 775 <span class="keyword">typename</span> ChannelOrderT<span class="special">></span> 776 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 777 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 778 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 779 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 780 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 781 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> 782 <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span> 783 <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span> 784 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> 785 <span class="keyword">typename</span> ChannelOrderT<span class="special">></span> 786 <span class="identifier">channel_severity_filter_actor</span><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special"><</span> <span class="keyword">void</span> <span class="special">></span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> 787 <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 788 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 789 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 790 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 791 <span class="special">}</span> 792 <span class="special">}</span> 793<span class="special">}</span></pre> 794</div> 795<div class="section"> 796<div class="titlepage"><div><div><h4 class="title"> 797<a name="header.boost.log.expressions.predicates.contains_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates/contains.hpp" target="_top">boost/log/expressions/predicates/contains.hpp</a>></h4></div></div></div> 798<p>Andrey Semashev </p> 799<p> 800 801</p> 802<p>02.09.2012</p> 803<p> 804 805The header contains implementation of a <code class="computeroutput">contains</code> predicate in template expressions. </p> 806<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 807 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 808 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 809 <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/attribute_contains.html" title="Type definition attribute_contains"><span class="identifier">attribute_contains</span></a><span class="special">;</span> 810 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 811 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">></span> 812 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idm46079577892816.html" title="Function template contains"><span class="identifier">contains</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 813 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 814 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 815 <span class="keyword">typename</span> SubstringT<span class="special">></span> 816 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idm46079577886176.html" title="Function template contains"><span class="identifier">contains</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 817 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 818 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">></span> 819 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idm46079577880672.html" title="Function template contains"><span class="identifier">contains</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 820 <span class="special">}</span> 821 <span class="special">}</span> 822<span class="special">}</span></pre> 823</div> 824<div class="section"> 825<div class="titlepage"><div><div><h4 class="title"> 826<a name="header.boost.log.expressions.predicates.ends_with_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates/ends_with.hpp" target="_top">boost/log/expressions/predicates/ends_with.hpp</a>></h4></div></div></div> 827<p>Andrey Semashev </p> 828<p> 829 830</p> 831<p>02.09.2012</p> 832<p> 833 834The header contains implementation of a <code class="computeroutput">ends_with</code> predicate in template expressions. </p> 835<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 836 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 837 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 838 <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/attribute_ends_with.html" title="Type definition attribute_ends_with"><span class="identifier">attribute_ends_with</span></a><span class="special">;</span> 839 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 840 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">></span> 841 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_wit_idm46079577870368.html" title="Function template ends_with"><span class="identifier">ends_with</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 842 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 843 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 844 <span class="keyword">typename</span> SubstringT<span class="special">></span> 845 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_wit_idm46079577863728.html" title="Function template ends_with"><span class="identifier">ends_with</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 846 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 847 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">></span> 848 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_wit_idm46079577858224.html" title="Function template ends_with"><span class="identifier">ends_with</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 849 <span class="special">}</span> 850 <span class="special">}</span> 851<span class="special">}</span></pre> 852</div> 853<div class="section"> 854<div class="titlepage"><div><div><h4 class="title"> 855<a name="header.boost.log.expressions.predicates.has_attr_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates/has_attr.hpp" target="_top">boost/log/expressions/predicates/has_attr.hpp</a>></h4></div></div></div> 856<p>Andrey Semashev </p> 857<p> 858 859</p> 860<p>23.07.2012</p> 861<p> 862 863The header contains implementation of a generic attribute presence checker in template expressions. </p> 864<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 865 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 866 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 867 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/has_attribute.html" title="Class template has_attribute">has_attribute</a><span class="special">;</span> 868 869 <span class="keyword">template</span><span class="special"><</span><span class="special">></span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/has_attr_idm46079577837584.html" title="Class has_attribute<void>">has_attribute</a><span class="special"><</span><span class="keyword">void</span><span class="special">></span><span class="special">;</span> 870 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> AttributeValueT<span class="special">></span> 871 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/has_attr_idm46079577821792.html" title="Function template has_attr"><span class="identifier">has_attr</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 872 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">></span> 873 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/has_attr_idm46079577818256.html" title="Function template has_attr"><span class="identifier">has_attr</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 874 <span class="special">}</span> 875 <span class="special">}</span> 876<span class="special">}</span></pre> 877</div> 878<div class="section"> 879<div class="titlepage"><div><div><h4 class="title"> 880<a name="header.boost.log.expressions.predicates.is_debugger_present_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates/is_debugger_present.hpp" target="_top">boost/log/expressions/predicates/is_debugger_present.hpp</a>></h4></div></div></div> 881<p>Andrey Semashev </p> 882<p> 883 884</p> 885<p>05.12.2012</p> 886<p> 887 888The header contains implementation of the <code class="computeroutput">is_debugger_present</code> predicate in template expressions. </p> 889</div> 890<div class="section"> 891<div class="titlepage"><div><div><h4 class="title"> 892<a name="header.boost.log.expressions.predicates.is_in_range_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates/is_in_range.hpp" target="_top">boost/log/expressions/predicates/is_in_range.hpp</a>></h4></div></div></div> 893<p>Andrey Semashev </p> 894<p> 895 896</p> 897<p>02.09.2012</p> 898<p> 899 900The header contains implementation of an <code class="computeroutput">is_in_range</code> predicate in template expressions. </p> 901<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 902 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 903 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 904 <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/attribute_is_in_range.html" title="Type definition attribute_is_in_range"><span class="identifier">attribute_is_in_range</span></a><span class="special">;</span> 905 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 906 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> BoundaryT<span class="special">></span> 907 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_ra_idm46079577805680.html" title="Function template is_in_range"><span class="identifier">is_in_range</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 908 <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 909 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 910 <span class="keyword">typename</span> BoundaryT<span class="special">></span> 911 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_ra_idm46079577797872.html" title="Function template is_in_range"><span class="identifier">is_in_range</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 912 <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 913 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> BoundaryT<span class="special">></span> 914 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_ra_idm46079577791200.html" title="Function template is_in_range"><span class="identifier">is_in_range</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 915 <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 916 <span class="special">}</span> 917 <span class="special">}</span> 918<span class="special">}</span></pre> 919</div> 920<div class="section"> 921<div class="titlepage"><div><div><h4 class="title"> 922<a name="header.boost.log.expressions.predicates.matches_hpp"></a>Header <<a href="../../../../boost/log/expressions/predicates/matches.hpp" target="_top">boost/log/expressions/predicates/matches.hpp</a>></h4></div></div></div> 923<p>Andrey Semashev </p> 924<p> 925 926</p> 927<p>02.09.2012</p> 928<p> 929 930The header contains implementation of a <code class="computeroutput">matches</code> predicate in template expressions. </p> 931<pre class="synopsis"> 932 933<a class="link" href="BOOST_LO_idm46079577751584.html" title="Macro BOOST_LOG_AUX_FORCEINLINE_MSVC_BUG982738">BOOST_LOG_AUX_FORCEINLINE_MSVC_BUG982738</a></pre> 934<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 935 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 936 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 937 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> RegexT<span class="special">,</span> 938 <span class="keyword">typename</span> FallbackPolicyT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">></span> 939 <span class="keyword">class</span> <a class="link" href="boost/log/expressions/attribute_matches.html" title="Class template attribute_matches">attribute_matches</a><span class="special">;</span> 940 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> 941 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> RegexT<span class="special">></span> 942 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idm46079577768640.html" title="Function template matches"><span class="identifier">matches</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 943 <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 944 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> 945 <span class="keyword">typename</span> RegexT<span class="special">></span> 946 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idm46079577761984.html" title="Function template matches"><span class="identifier">matches</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special"><</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 947 <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 948 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> RegexT<span class="special">></span> 949 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idm46079577756464.html" title="Function template matches"><span class="identifier">matches</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 950 <span class="special">}</span> 951 <span class="special">}</span> 952<span class="special">}</span></pre> 953</div> 954<div class="section"> 955<div class="titlepage"><div><div><h4 class="title"> 956<a name="header.boost.log.expressions.record_hpp"></a>Header <<a href="../../../../boost/log/expressions/record.hpp" target="_top">boost/log/expressions/record.hpp</a>></h4></div></div></div> 957<p>Andrey Semashev </p> 958<p> 959 960</p> 961<p>25.07.2012</p> 962<p> 963 964The header contains implementation of a log record placeholder in template expressions. </p> 965<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 966 <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span> 967 <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span> 968 <span class="keyword">typedef</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">expression</span><span class="special">::</span><span class="identifier">argument</span><span class="special"><</span> <span class="number">1</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <a class="link" href="boost/log/expressions/record_type.html" title="Type definition record_type"><span class="identifier">record_type</span></a><span class="special">;</span> 969 970 <span class="keyword">const</span> <span class="identifier">record_type</span> <a class="link" href="boost/log/expressions/record.html" title="Global record">record</a><span class="special">;</span> 971 <span class="special">}</span> 972 <span class="special">}</span> 973<span class="special">}</span></pre> 974</div> 975</div> 976<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 977<td align="left"></td> 978<td align="right"><div class="copyright-footer">Copyright © 2007-2019 Andrey Semashev<p> 979 Distributed under the Boost Software License, Version 1.0. (See accompanying 980 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>). 981 </p> 982</div></td> 983</tr></table> 984<hr> 985<div class="spirit-nav"> 986<a accesskey="p" href="boost/log/value_visitor_invoker.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="log/reference.html"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="boost/log/expressions/attr_idm46079581366752.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 987</div> 988</body> 989</html> 990
