er an existing iterator that changes the step unit.">step_iterator_adaptor</a> : <span class="keyword">public</span> iterator_adaptor&lt;Derived, Iterator, use_default, use_default, use_default, typename SFn::difference_type&gt; {
<a name="l00054"></a>00054 <span class="keyword">public</span>:
<a name="l00055"></a>00055     <span class="keyword">typedef</span> iterator_adaptor&lt;Derived, Iterator, use_default, use_default, use_default, typename SFn::difference_type&gt; parent_t;
<a name="l00056"></a>00056 