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| <h2><span class="refentrytitle">Function template contains</span></h2> |
| <p>boost::log::expressions::contains</p> |
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| <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="../../../expressions.html#header.boost.log.expressions.predicates.contains_hpp" title="Header <boost/log/expressions/predicates/contains.hpp>">boost/log/expressions/predicates/contains.hpp</a>> |
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| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span> |
| <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">></span> |
| <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <span class="identifier">contains</span><span class="special">(</span><a class="link" href="attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special"><</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span> attr<span class="special">,</span> |
| <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&</span> substring<span class="special">)</span><span class="special">;</span></pre></div> |
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| <a name="idp117710944"></a><h2>Description</h2> |
| <p>The function generates a terminal node in a template expression. The node will check if the attribute value, which is assumed to be a string, contains the specified substring. </p> |
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| <td align="right"><div class="copyright-footer">Copyright © 2007-2015 Andrey |
| Semashev<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or 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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