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<h2><span class="refentrytitle">Global first</span></h2>
-<p>boost::xpressive::first</p>
+<p>boost::xpressive::first — <code class="computeroutput">first</code> is a lazy PolymorphicFunctionObject for accessing the first element of a <code class="computeroutput">std::pair<></code> in an xpressive semantic action. </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="../../xpressive/reference.html#header.boost.xpressive.regex_actions_hpp" title="Header <boost/xpressive/regex_actions.hpp>">boost/xpressive/regex_actions.hpp</a>>