d to a <a class="link" href="../../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
          Access Sequence</a> of references that is passed to the target function
          object.
        </p>
<p>
          The nullary overload of the call operator can be removed by setting the
          second template parameter to <code class="computeroutput"><span class="keyword">false</span></code>,
          which is very useful if the result type computation would result in a co