<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="../../index.html" title="Chapter 1. Boost.Contract 1.0.0">
<link rel="up" href="../../reference.html#header.boost.contract.call_if_hpp" title="Header <boost/contract/call_if.hpp>">
-<link rel="prev" href="call_if__idm45123870853712.html" title="Struct template call_if_statement<true, Then, void>">
+<link rel="prev" href="call_if__idm45395000002720.html" title="Struct template call_if_statement<true, Then, void>">
<link rel="next" href="call_if.html" title="Function template call_if">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
</tr></table>
<hr>
<div class="spirit-nav">
-<a accesskey="p" href="call_if__idm45
123870853712.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../reference.html#header.boost.contract.call_if_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="call_if.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
+<a accesskey="p" href="call_if__idm45
395000002720.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../reference.html#header.boost.contract.call_if_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="call_if.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
</div>
<div class="refentry">
<a name="boost.contract.call_if_c"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Function template call_if_c</span></h2>
-<p>boost::contract::call_if_c — Select compilation and execution of functor template calls using a static boolean predicate. </p>
+<p>boost::contract::call_if_c — Select compilation and execution of functor template calls using a static boolean predicate (not needed on C++17 compilers, use <code class="computeroutput">if constexpr</code> instead). </p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<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="../../reference.html#header.boost.contract.call_if_hpp" title="Header <boost/contract/call_if.hpp>">boost/contract/call_if.hpp</a>>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">bool</span> Pred<span class="special">,</span> <span class="keyword">typename</span> Then<span class="special">></span>
<a class="link" href="call_if_statement.html" title="Struct template call_if_statement">call_if_statement</a><span class="special"><</span> <span class="identifier">Pred</span><span class="special">,</span> <span class="identifier">Then</span> <span class="special">></span> <span class="identifier">call_if_c</span><span class="special">(</span><span class="identifier">Then</span> f<span class="special">)</span><span class="special">;</span></pre></div>
<div class="refsect1">
-<a name="idm45751731143648"></a><h2>Description</h2>
+<a name="idm45707997697856"></a><h2>Description</h2>
<p>Create a call-if object with the specified then-branch functor template:</p>
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">contract</span><span class="special">::</span><span class="identifier">call_if_c</span><span class="special"><</span><span class="identifier">Pred1</span><span class="special">></span><span class="special">(</span>
<span class="identifier">then_functor_template1</span>
</tr>
<tr>
<td><p><span class="term">Returns:</span></p></td>
-<td><p>A call-if statement so else and else-if statements can be specified if needed. Eventually, this will be the return value of the functor template call being compiled and executed (which can also be <code class="computeroutput">void</code>). </p></td>
+<td><p>A call-if statement so else and else-if statements can be specified if needed. Eventually, this will be the return value of the one functor template call being compiled and executed (which could also be <code class="computeroutput">void</code>). </p></td>
</tr>
</tbody>
</table></div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
-<td align="right"><div class="copyright-footer">Copyright © 2008-201
8 Lorenzo Caminiti<p>
+<td align="right"><div class="copyright-footer">Copyright © 2008-201
9 Lorenzo Caminiti<p>
Distributed under the Boost Software License, Version 1.0 (see accompanying
file LICENSE_1_0.txt or a copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</tr></table>
<hr>
<div class="spirit-nav">
-<a accesskey="p" href="call_if__idm45
123870853712.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../reference.html#header.boost.contract.call_if_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="call_if.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
+<a accesskey="p" href="call_if__idm45
395000002720.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../reference.html#header.boost.contract.call_if_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="call_if.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
</div>
</body>
</html>
projects / platform / upstream / boost.git / blobdiff