1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Struct template weight_type</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.Histogram"> 8<link rel="up" href="../../histogram/reference.html#header.boost.histogram.weight_hpp" title="Header <boost/histogram/weight.hpp>"> 9<link rel="prev" href="weight.html" title="Function template weight"> 10<link rel="next" href="accumulators/count.html" title="Class template count"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="weight.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../histogram/reference.html#header.boost.histogram.weight_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="accumulators/count.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="refentry"> 26<a name="boost.histogram.weight_type"></a><div class="titlepage"></div> 27<div class="refnamediv"> 28<h2><span class="refentrytitle">Struct template weight_type</span></h2> 29<p>boost::histogram::weight_type — Weight holder and type envelope. </p> 30</div> 31<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 32<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="../../histogram/reference.html#header.boost.histogram.weight_hpp" title="Header <boost/histogram/weight.hpp>">boost/histogram/weight.hpp</a>> 33 34</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> 35<span class="keyword">struct</span> <a class="link" href="weight_type.html" title="Struct template weight_type">weight_type</a> <span class="special">{</span> 36 37 <span class="comment">// <a class="link" href="weight_type.html#idm45503931408640-bb">public member functions</a></span> 38 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> U<span class="special">></span> <a class="link" href="weight_type.html#idm45503931408080-bb"><span class="keyword">operator</span> <span class="identifier">weight_type</span><span class="special"><</span> <span class="identifier">U</span> <span class="special">></span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 39 40 <span class="comment">// public data members</span> 41 <span class="identifier">T</span> <span class="identifier">value</span><span class="special">;</span> <span class="comment">// Access underlying value. </span> 42<span class="special">}</span><span class="special">;</span></pre></div> 43<div class="refsect1"> 44<a name="idm45113197102528"></a><h2>Description</h2> 45<p>You should not construct these directly, use the weight() helper function.</p> 46<p> 47</p> 48<div class="refsect2"> 49<a name="idm45113197101600"></a><h3> 50<a name="idm45503931408640-bb"></a><code class="computeroutput">weight_type</code> public member functions</h3> 51<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 52<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> U<span class="special">></span> <a name="idm45503931408080-bb"></a><span class="keyword">operator</span> <span class="identifier">weight_type</span><span class="special"><</span> <span class="identifier">U</span> <span class="special">></span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Allow implicit conversions of types when the underlying value type allows them. </li></ol></div> 53</div> 54</div> 55</div> 56<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 57<td align="left"></td> 58<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Hans 59 Dembinski<p> 60 Distributed under the Boost Software License, Version 1.0. (See accompanying 61 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 62 </p> 63</div></td> 64</tr></table> 65<hr> 66<div class="spirit-nav"> 67<a accesskey="p" href="weight.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../histogram/reference.html#header.boost.histogram.weight_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="accumulators/count.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 68</div> 69</body> 70</html> 71
