 <p> Example usage: </p>
    <pre>
    class X {...};
    ...

    class_&lt;std::map&lt;X&gt; &gt;("XMap")
        .def(map_indexing_suite&lt;std::map&lt;X&gt; &gt;())
    ;
</pre>
    <p> By default indexed elements are returned by proxy. This can be disabled by supplying <tt>true</tt> in the NoProxy template parameter. <tt>XMap</tt> is now a full-fledged Python container (see the <a href="../../test/map_indexing_suite.cpp">example in full</a>, along with its <a href="../../test/map_indexing_suite.py">pyt