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<a name="BOOST_CONTRACT_INVARIANT"></a><div class="titlepage"></div>
</span>BOOST_CONTRACT_INVARIANT(...)</pre></div>
<div class="refsect1">
-<a name="idm45751726180864"></a><h2>Description</h2>
-<p><code class="computeroutput">BOOST_CONTRACT_INVARIANT</code>({ ... }) expands to code equivalent to the following (note that no code is generated when <code class="computeroutput"><a class="link" href="BOOST_CO_idm45123870477472.html" title="Macro BOOST_CONTRACT_NO_INVARIANTS">BOOST_CONTRACT_NO_INVARIANTS</a></code> is defined):</p>
+<a name="idm45707992666400"></a><h2>Description</h2>
+<p><code class="computeroutput">BOOST_CONTRACT_INVARIANT</code>({ ... }) expands to code equivalent to the following (note that no code is generated when <code class="computeroutput"><a class="link" href="BOOST_CO_idm45394999622032.html" title="Macro BOOST_CONTRACT_NO_INVARIANTS">BOOST_CONTRACT_NO_INVARIANTS</a></code> is defined):</p>
<pre class="programlisting"><span class="preprocessor">#ifndef</span> <span class="identifier">BOOST_CONTRACT_NO_INVARIANTS</span>
<span class="keyword">void</span> <span class="identifier">BOOST_CONTRACT_INVARIANT_FUNC</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">{</span>
<span class="special">...</span>
<span class="preprocessor">#endif</span>
</pre>
<p>Where:</p>
-<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><span class="bold"><strong>{ ... }</strong></span> is the definition of the function that checks class invariants for public functions that are not static and not volatile (see <code class="computeroutput"><a class="link" href="BOOST_CO_idm45
123869498768.html" title="Macro BOOST_CONTRACT_STATIC_INVARIANT">BOOST_CONTRACT_STATIC_INVARIANT</a></code> and <code class="computeroutput"><a class="link" href="BOOST_CO_idm45123869512624.html" title="Macro BOOST_CONTRACT_INVARIANT_VOLATILE">BOOST_CONTRACT_INVARIANT_VOLATILE</a></code>). The curly parenthesis are mandatory. Assertions within this function are usually programmed using <code class="computeroutput"><a class="link" href="BOOST_CONTRACT_ASSERT.html" title="Macro BOOST_CONTRACT_ASSERT">BOOST_CONTRACT_ASSERT</a></code>, but any exception thrown by a call to this function indicates a contract assertion failure (and will result in this library calling either <code class="computeroutput"><a class="link" href="boost/contract/entry_invariant_failure.html" title="Function entry_invariant_failure">boost::contract::entry_invariant_failure</a></code> or <code class="computeroutput"><a class="link" href="boost/contract/exit_invariant_failure.html" title="Function exit_invariant_failure">boost::contract::exit_invariant_failure</a></code>). (This is a variadic macro parameter so it can contain commas not protected by round parenthesis.)</p></li></ul></div>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><span class="bold"><strong>{ ... }</strong></span> is the definition of the function that checks class invariants for public functions that are not static and not volatile (see <code class="computeroutput"><a class="link" href="BOOST_CO_idm45
394998621472.html" title="Macro BOOST_CONTRACT_STATIC_INVARIANT">BOOST_CONTRACT_STATIC_INVARIANT</a></code> and <code class="computeroutput"><a class="link" href="BOOST_CO_idm45394998635328.html" title="Macro BOOST_CONTRACT_INVARIANT_VOLATILE">BOOST_CONTRACT_INVARIANT_VOLATILE</a></code>). The curly parenthesis are mandatory (rationale: this is so the syntax of this macro resembles mote the syntax of the lambda functions usually used to specify preconditions, etc.). Assertions within this function are usually programmed using <code class="computeroutput"><a class="link" href="BOOST_CONTRACT_ASSERT.html" title="Macro BOOST_CONTRACT_ASSERT">BOOST_CONTRACT_ASSERT</a></code>, but any exception thrown by a call to this function indicates a contract assertion failure (and will result in this library calling either <code class="computeroutput"><a class="link" href="boost/contract/entry_invariant_failure.html" title="Function entry_invariant_failure">boost::contract::entry_invariant_failure</a></code> or <code class="computeroutput"><a class="link" href="boost/contract/exit_invariant_failure.html" title="Function exit_invariant_failure">boost::contract::exit_invariant_failure</a></code>). (This is a variadic macro parameter so it can contain commas not protected by round parenthesis.)</p></li></ul></div>
<p>
</p>
<p><span class="bold"><strong>See Also:</strong></span></p>
</div>
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-<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>)
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