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<title>Function template deep_copy</title>
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<div class="refentry" title="Function template deep_copy">
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<h2><span class="refentrytitle">Function template deep_copy</span></h2>
<p>boost::proto::deep_copy — A function for deep-copying Proto expression trees. </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: <<a class="link" href="../../proto/reference.html#header.boost.proto.deep_copy_hpp" title="Header <boost/proto/deep_copy.hpp>">boost/proto/deep_copy.hpp</a>>
</em></span>
<span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> Expr>
<span class="type"><span class="bold"><strong>typename</strong></span> <a class="link" href="result_of/deep_copy.html" title="Struct template deep_copy">proto::result_of::deep_copy</a><Expr>::type</span>
deep_copy(Expr <span class="bold"><strong>const</strong></span> & expr);</pre></div>
<div class="refsect1" title="Description">
<a name="id1581399"></a><h2>Description</h2>
<p>
A function for deep-copying Proto expression trees. When a tree is deep-copied, all internal
nodes and terminals held by reference are instead held by value.</p>
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<td><p><span class="term">Notes:</span></p></td>
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<p>
Terminals of reference-to-function type are left unchanged.
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<p>
Equivalent to <code class="computeroutput"><a class="link" href="functional/deep_copy.html" title="Struct deep_copy">proto::functional::deep_copy</a>()(expr)
</code>.
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<td align="right"><div class="copyright-footer">Copyright © 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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