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<title>Function template is_in_range</title>
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<h2><span class="refentrytitle">Function template is_in_range</span></h2>
<p>boost::log::expressions::is_in_range</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: &lt;<a class="link" href="../../../expressions.html#header.boost.log.expressions.predicates.is_in_range_hpp" title="Header &lt;boost/log/expressions/predicates/is_in_range.hpp&gt;">boost/log/expressions/predicates/is_in_range.hpp</a>&gt;
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<span class="keyword">template</span><span class="special">&lt;</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">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> BoundaryT<span class="special">&gt;</span>
<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">&lt;</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">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span> attr<span class="special">,</span>
<span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span> least<span class="special">,</span> <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span> most<span class="special">)</span><span class="special">;</span></pre></div>
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<a name="idp118261360"></a><h2>Description</h2>
<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 &lt;= attr &lt; most</code>. </p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 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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