an></code>,
      which is the only way to initialize a reference.
    </p>
<p>
      Since C++ does not allow any way to explicitly state the template parameters
      of a templated constructor, make sure that the arguments are already close
      as possible to the actual type used in the data member's desired constructor.
      Explicit conversions may be necessary.
    </p>
<p>
      The <code class="computeroutput"><span class="identifier">BOOST_BASE_FROM_MEMBER_MAX_ARITY</span></code>
      macro con