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  48 <div class="title">sigc::hide_functor&lt; I_location, T_functor &gt; Struct Template Reference<div class="ingroups"><a class="el" href="group__adaptors.html">Adaptors</a> &raquo; <a class="el" href="group__hide.html">hide(), hide_return()</a></div></div>  </div>
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  51
  52 <p>Adaptor that adds a dummy parameter to the wrapped functor.
  53  <a href="structsigc_1_1hide__functor.html#details">More...</a></p>
  54
  55 <p><code>#include &lt;sigc++/adaptors/hide.h&gt;</code></p>
  56 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  57 <div class="textblock"><h3>template&lt;int I_location, class T_functor&gt;<br />
  58 struct sigc::hide_functor&lt; I_location, T_functor &gt;</h3>
  59
  60 <p>Adaptor that adds a dummy parameter to the wrapped functor. </p>
  61 <p>Use the convenience function <a class="el" href="group__hide.html#gaf2cefea3a99acd44f68121424103172d" title="Creates an adaptor of type sigc::hide_functor which adds a dummy parameter to the passed functor.">sigc::hide()</a> to create an instance of <a class="el" href="structsigc_1_1hide__functor.html" title="Adaptor that adds a dummy parameter to the wrapped functor.">sigc::hide_functor</a>.</p>
  62 <p>The following template arguments are used:</p><ul>
  63 <li><em>I_location</em> Zero-based position of the dummy parameter (<code>-1</code> for the last parameter).</li>
  64 <li><em>T_type</em> Type of the dummy parameter.</li>
  65 <li><em>T_functor</em> Type of the functor to wrap. </li>
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