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21 <h2><span class="refentrytitle">Function template is_in_range</span></h2>
22 <p>boost::log::expressions::is_in_range</p>
24 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
25 <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.is_in_range_hpp" title="Header <boost/log/expressions/predicates/is_in_range.hpp>">boost/log/expressions/predicates/is_in_range.hpp</a>>
28 <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>
29 <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> BoundaryT<span class="special">></span>
30 <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <span class="identifier">is_in_range</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>
31 <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&</span> least<span class="special">,</span> <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&</span> most<span class="special">)</span><span class="special">;</span></pre></div>
32 <div class="refsect1">
33 <a name="idp108141200"></a><h2>Description</h2>
34 <p>The function generates a terminal node in a template expression. The node will check if the attribute value is in the specified range. The range must be half-open, that is the predicate will be equivalent to <code class="computeroutput">least <= attr < most</code>. </p>
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39 <td align="right"><div class="copyright-footer">Copyright © 2007-2016 Andrey Semashev<p>
40 Distributed under the Boost Software License, Version 1.0. (See accompanying
41 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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