</span> <span class="identifier">pointer</span><span class="special">;</span>
    <span class="keyword">typedef</span> <span class="emphasis"><em>see below</em></span> <span class="identifier">element_type</span><span class="special">;</span>
    <span class="keyword">typedef</span> <span class="emphasis"><em>see below</em></span> <span class="identifier">difference_type</span><span class="special">;</span>

    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">clas