h. As an example if you specify the tag type
      as 'boost::function_types::const_qualified' or if you specify the enclosing
      type as 'const T', the member function which you are introspecting must be
      a const function.
    </p>
<p>
      The second way of invoking the metafunction is by passing it a single parameter,
      which is a pointer to member function. This type has the form of:
    </p>
<pre class="programlisting"><span class="identifier">Return_Type</span> <span class="special">(</sp