>
        <pre class="programlisting">
self operator-(difference_type n) const
 </pre>
        <p>Iterator movement operator. </p>
        <p>Return another iterator by moving this iterator forward by n elements. </p>
        <div class="sect3" lang="en" xml:lang="en">
          <div class="titlepage">
            <div>
              <div>
                <h4 class="title"><a id="idp51060952"></a>Parameters</h4>
              </div>
            </div>
          </div>
          <div class="sect4" lang="en" 