1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Function set_invariant_failure</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. 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20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="exit_invariant_failure.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../reference.html#header.boost.contract.core.exception_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="specify_except.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="refentry"> 26<a name="boost.contract.set_invariant_failure"></a><div class="titlepage"></div> 27<div class="refnamediv"> 28<h2><span class="refentrytitle">Function set_invariant_failure</span></h2> 29<p>boost::contract::set_invariant_failure — Set failure handler for class invariants (at both entry and exit). </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="../../reference.html#header.boost.contract.core.exception_hpp" title="Header <boost/contract/core/exception.hpp>">boost/contract/core/exception.hpp</a>> 33 34</span> 35<span class="identifier">from_failure_handler</span> <span class="keyword">const</span> <span class="special">&</span> 36<span class="identifier">set_invariant_failure</span><span class="special">(</span><span class="identifier">from_failure_handler</span> <span class="keyword">const</span> <span class="special">&</span> f<span class="special">)</span><span class="special">;</span></pre></div> 37<div class="refsect1"> 38<a name="idm45988678416384"></a><h2>Description</h2> 39<p>This is provided for convenience and it is equivalent to call both <code class="computeroutput"><code class="computeroutput"><a class="link" href="set_entr_idm46268585146336.html" title="Function set_entry_invariant_failure">boost::contract::set_entry_invariant_failure</a></code></code> and <code class="computeroutput"><code class="computeroutput"><a class="link" href="set_exit_invariant_failure.html" title="Function set_exit_invariant_failure">boost::contract::set_exit_invariant_failure</a></code></code> with the same functor parameter <code class="computeroutput">f</code>.</p> 40<p><span class="bold"><strong>Throws:</strong></span> This is declared <code class="computeroutput">noexcept</code> (or <code class="computeroutput">throw()</code> before C++11).</p> 41<p> 42 43</p> 44<p><span class="bold"><strong>See Also:</strong></span></p> 45<p> <a class="link" href="../../boost_contract/advanced.html#boost_contract.advanced.throw_on_failures__and__noexcept__" title="Throw on Failures (and noexcept)"> Throw on Failure</a>, <a class="link" href="../../boost_contract/tutorial.html#boost_contract.tutorial.class_invariants" title="Class Invariants"> Class Invariants</a>, <a class="link" href="../../boost_contract/extras.html#boost_contract.extras.volatile_public_functions" title="Volatile Public Functions"> 46 Volatile Public Functions</a> </p> 47<p> 48</p> 49<p> 50</p> 51<div class="variablelist"><table border="0" class="variablelist compact"> 52<colgroup> 53<col align="left" valign="top"> 54<col> 55</colgroup> 56<tbody> 57<tr> 58<td><p><span class="term">Parameters:</span></p></td> 59<td><div class="variablelist"><table border="0" class="variablelist compact"> 60<colgroup> 61<col align="left" valign="top"> 62<col> 63</colgroup> 64<tbody><tr> 65<td><p><span class="term"><code class="computeroutput">f</code></span></p></td> 66<td><p>New failure handler functor to set for both entry and exit invariants.</p></td> 67</tr></tbody> 68</table></div></td> 69</tr> 70<tr> 71<td><p><span class="term">Returns:</span></p></td> 72<td><p>Same failure handler functor <code class="computeroutput">f</code> passed as parameter (e.g., for concatenating function calls).</p></td> 73</tr> 74</tbody> 75</table></div> 76</div> 77</div> 78<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 79<td align="left"></td> 80<td align="right"><div class="copyright-footer">Copyright © 2008-2019 Lorenzo Caminiti<p> 81 Distributed under the Boost Software License, Version 1.0 (see accompanying 82 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>) 83 </p> 84</div></td> 85</tr></table> 86<hr> 87<div class="spirit-nav"> 88<a accesskey="p" href="exit_invariant_failure.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../reference.html#header.boost.contract.core.exception_hpp"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" 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