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<div class="refentry" title="Struct template is_domain">
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<h2><span class="refentrytitle">Struct template is_domain</span></h2>
<p>boost::proto::is_domain</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="emphasis"><em>// In header: &lt;<a class="link" href="../../proto/reference.html#header.boost.proto.domain_hpp" title="Header &lt;boost/proto/domain.hpp&gt;">boost/proto/domain.hpp</a>&gt;

</em></span><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> T&gt; 
<span class="bold"><strong>struct</strong></span> <a class="link" href="is_domain.html" title="Struct template is_domain">is_domain</a> : <span class="bold"><strong></strong></span> <span class="type">mpl::bool_&lt; <em class="replaceable"><code><span class="bold"><strong>true</strong></span>-or-<span class="bold"><strong>false</strong></span></code></em> &gt;</span> {
};</pre></div>
<div class="refsect1" title="Description">
<a name="id1582037"></a><h2>Description</h2>
<p>
            A metafunction that returns <code class="computeroutput">mpl::true_</code> if the type
            <code class="computeroutput">T</code> is the type of a Proto domain;
            <code class="computeroutput">mpl::false_</code> otherwise. If <code class="computeroutput">T</code>
            inherits from <code class="computeroutput"><a class="link" href="domain.html" title="Struct template domain">proto::domain&lt;&gt;</a></code>,
            <code class="computeroutput">is_domain&lt;T&gt;</code> is <code class="computeroutput">mpl::true_</code>.
          </p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2008 Eric Niebler<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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