    <span class="special">~</span><span class="identifier">X</span><span class="special">()</span>
</pre>
<h5>
<a name="coroutine.coroutine.asymmetric.h8"></a>
        <span class="phrase"><a name="coroutine.coroutine.asymmetric.range_iterators"></a></span><a class="link" href="asymmetric.html#coroutine.coroutine.asymmetric.range_iterators">Range
        iterators</a>
      </h5>
<p>
        <span class="bold"><strong>Boost.Coroutine</strong></span> provides output- and input-iterators
        using <span c