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>Class hours</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.posix_time.posix_time_duration_hpp" title="Header <boost/date_time/posix_time/posix_time_duration.hpp>"> 10<link rel="prev" href="time_duration.html" title="Class time_duration"> 11<link rel="next" href="minutes.html" title="Class minutes"> 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" 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name="boost.posix_time.hours"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class hours</span></h2> 30<p>boost::posix_time::hours</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.posix_time.posix_time_duration_hpp" title="Header <boost/date_time/posix_time/posix_time_duration.hpp>">boost/date_time/posix_time/posix_time_duration.hpp</a>> 34 35</span> 36<span class="keyword">class</span> <a class="link" href="hours.html" title="Class hours">hours</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">time_duration</span> <span class="special">{</span> 37<span class="keyword">public</span><span class="special">:</span> 38 <span class="comment">// <a class="link" href="hours.html#boost.posix_time.hoursconstruct-copy-destruct">construct/copy/destruct</a></span> 39 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> 40 <span class="keyword">explicit</span> <a class="link" href="hours.html#id-1_3_14_15_5_6_1_1_1_4-bb"><span class="identifier">hours</span></a><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> 41 <span class="keyword">typename</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special"><</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_integral</span><span class="special"><</span> <span class="identifier">T</span> <span class="special">></span><span class="special">,</span> <span class="keyword">void</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <span class="special">*</span> <span class="special">=</span> <span class="identifier">BOOST_DATE_TIME_NULLPTR</span><span class="special">)</span><span class="special">;</span> 42<span class="special">}</span><span class="special">;</span></pre></div> 43<div class="refsect1"> 44<a name="id-1.3.14.15.5.6.3.4"></a><h2>Description</h2> 45<p>Allows expression of durations as an hour count The argument must be an integral type </p> 46<div class="refsect2"> 47<a name="id-1.3.14.15.5.6.3.4.3"></a><h3> 48<a name="boost.posix_time.hoursconstruct-copy-destruct"></a><code class="computeroutput">hours</code> 49 public 50 construct/copy/destruct</h3> 51<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> 52 <span class="keyword">explicit</span> <a name="id-1_3_14_15_5_6_1_1_1_4-bb"></a><span class="identifier">hours</span><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span> h<span class="special">,</span> 53 <span class="keyword">typename</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special"><</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_integral</span><span class="special"><</span> <span class="identifier">T</span> <span class="special">></span><span class="special">,</span> <span class="keyword">void</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <span class="special">*</span> <span class="special">=</span> <span class="identifier">BOOST_DATE_TIME_NULLPTR</span><span class="special">)</span><span class="special">;</span></pre></li></ol></div> 54</div> 55</div> 56</div> 57<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 58<td align="left"></td> 59<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 60 <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> 61</div></td> 62</tr></table> 63<hr> 64<div class="spirit-nav"> 65<a accesskey="p" href="time_duration.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.posix_time.posix_time_duration_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="minutes.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 66</div> 67</body> 68</html> 69
