1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Function template var_string_to_int</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../date_time/doxy.html#header.boost.date_time.format_date_parser_hpp" title="Header <boost/date_time/format_date_parser.hpp>"> 10<link rel="prev" href="fixed_1_3_14_15_3_27_2_1_3.html" title="Function template fixed_string_to_int"> 11<link rel="next" href="gregorian_calendar_base.html" title="Class template gregorian_calendar_base"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="fixed_1_3_14_15_3_27_2_1_3.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.format_date_parser_hpp"><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="gregorian_calendar_base.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.date_time.var_string_to_int"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Function template var_string_to_int</span></h2> 30<p>boost::date_time::var_string_to_int — Helper function for parsing varied length strings into integers. </p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../date_time/doxy.html#header.boost.date_time.format_date_parser_hpp" title="Header <boost/date_time/format_date_parser.hpp>">boost/date_time/format_date_parser.hpp</a>> 34 35</span> 36<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> int_type<span class="special">,</span> <span class="keyword">typename</span> charT<span class="special">></span> 37 <span class="identifier">int_type</span> <span class="identifier">var_string_to_int</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">istreambuf_iterator</span><span class="special"><</span> <span class="identifier">charT</span> <span class="special">></span> <span class="special">&</span> itr<span class="special">,</span> 38 <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">istreambuf_iterator</span><span class="special"><</span> <span class="identifier">charT</span> <span class="special">></span> <span class="special">&</span> stream_end<span class="special">,</span> 39 <span class="keyword">unsigned</span> <span class="keyword">int</span> max_length<span class="special">)</span><span class="special">;</span></pre></div> 40<div class="refsect1"> 41<a name="id-1.3.14.15.3.27.6.4"></a><h2>Description</h2> 42<p>Will consume 'max_length' characters from stream only if those characters are digits. Returns '-1' if no number can be parsed. Will not parse a number preceeded by a '+' or '-'. </p> 43</div> 44</div> 45<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 46<td align="left"></td> 47<td align="right"><div class="copyright-footer">Copyright © 2001-2005 CrystalClear Software, Inc<p>Subject to the Boost Software License, Version 1.0. (See accompanying file 48 <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</p> 49</div></td> 50</tr></table> 51<hr> 52<div class="spirit-nav"> 53<a accesskey="p" href="fixed_1_3_14_15_3_27_2_1_3.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.format_date_parser_hpp"><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="gregorian_calendar_base.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 54</div> 55</body> 56</html> 57
