Requirements</a>
        </h3>
<p>
          <code class="computeroutput"><span class="keyword">static_cast</span><span class="special">&lt;</span><span class="identifier">Derived</span><span class="special">*&gt;(</span><span class="identifier">iterator_adaptor</span><span class="special">*)</span></code>
          shall be well-formed. The <code class="computeroutput"><span class="identifier">Base</span></code>
          argument shall be Assignable and Copy Constructible.
        </p>
<p>
          .. _b