Returns a new sequence with
            the elements between <code class="computeroutput"><span class="identifier">It1</span></code>
            and <code class="computeroutput"><span class="identifier">It2</span></code> removed.
          </p>
<h6>
<a name="fusion.algorithm.transformation.metafunctions.erase.h3"></a>
            <span class="phrase"><a name="fusion.algorithm.transformation.metafunctions.erase.complexity"></a></span><a class="link" href="erase.html#fusion.algorithm.transformation.metafuncti