>has_trivial_assign</a>
      gives the wrong answer, it will give the "safe" wrong answer - that
      trivial assignment is not allowable.
    </p>
<p>
      The code for an optimized version of copy that uses <code class="computeroutput"><span class="identifier">memcpy</span></code>
      where appropriate is given in <a class="link" href="examples/copy.html" title="An Optimized Version of std::copy">the
      examples</a>. The code begins by defining a template function <code class="computeroutput"><spa