mp; it, std::ptrdiff_t step, mpl::true_) {
<a name="l00290"></a>00290     <span class="keywordflow">return</span> make_step_iterator(it.base(), step);
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292 
<a name="l00293"></a>00293 <span class="comment">// If the iterator is memory_based_step_iterator, change the step</span>
<a name="l00294"></a>00294 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> BaseIt&gt; 
<a name="l00295"></a>00295 memory_based_step_iterator&lt;BaseIt