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  28 <h2><span class="refentrytitle">Macro BOOST_PROTO_EXTENDS_SUBSCRIPT</span></h2>
  29 <p>BOOST_PROTO_EXTENDS_SUBSCRIPT &#8212; For adding to an expression extension class an overloaded subscript operator that
  30       builds an expression template.</p>
  31 </div>
  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <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="proto/reference.html#header.boost.proto.extends_hpp" title="Header &lt;boost/proto/extends.hpp&gt;">boost/proto/extends.hpp</a>&gt;
  34
  35 </span>BOOST_PROTO_EXTENDS_SUBSCRIPT()</pre></div>
  36 <div class="refsect1">
  37 <a name="id2781219"></a><h2>Description</h2>
  38 <p>
  39         Use <code class="computeroutput">BOOST_PROTO_EXTENDS_SUBSCRIPT()</code> after <code class="computeroutput">
  40         <a class="link" href="BOOST_PROTO_BASIC_EXTENDS.html" title="Macro BOOST_PROTO_BASIC_EXTENDS">BOOST_PROTO_BASIC_EXTENDS</a>()</code> to give an expression
  41         extension class an overloaded subscript operator that builds an expression template.
  42       </p>
  43 <p>
  44         See also:
  45         </p>
  46 <div class="itemizedlist"><ul class="itemizedlist" type="disc">
  47 <li class="listitem"><code class="computeroutput"><a class="link" href="BOOST_PROTO_BASIC_EXTENDS.html" title="Macro BOOST_PROTO_BASIC_EXTENDS">BOOST_PROTO_BASIC_EXTENDS</a>()</code></li>
  48 <li class="listitem"><code class="computeroutput"><a class="link" href="BOOST_PROTO_EXTENDS_ASSIGN.html" title="Macro BOOST_PROTO_EXTENDS_ASSIGN">BOOST_PROTO_EXTENDS_ASSIGN</a>()</code></li>
  49 <li class="listitem"><code class="computeroutput"><a class="link" href="BOOST_PROTO_EXTENDS_FUNCTION.html" title="Macro BOOST_PROTO_EXTENDS_FUNCTION">BOOST_PROTO_EXTENDS_FUNCTION</a>()</code></li>
  50 <li class="listitem"><code class="computeroutput"><a class="link" href="BOOST_PROTO_EXTENDS.html" title="Macro BOOST_PROTO_EXTENDS">BOOST_PROTO_EXTENDS</a>()</code></li>
  51 </ul></div>
  52 <p>
  53       </p>
  54 </div>
  55 </div>
  56 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
  57 <td align="left"></td>
  58 <td align="right"><div class="copyright-footer">Copyright &#169; 2008 Eric Niebler<p>
  59         Distributed under the Boost Software License, Version 1.0. (See accompanying
  60         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>)
  61       </p>
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