             model of the <a class="link" href="../../../concepts/forward_range.html" title="Forward Range">Forward
                Range</a> Concept.
              </li>
<li class="listitem">
                <code class="computeroutput"><span class="identifier">ForwardRange</span></code> is mutable.
              </li>
<li class="listitem">
                <code class="computeroutput"><span class="identifier">UnaryPredicate</span></code> is
                a model of the <code class="computeroutput"><span 