articularly clearly with the use of a recursive function,
      such as traversal of binary trees (see example 'same fringe').
    </p>
<h4>
<a name="coroutine.intro.h2"></a>
      <span class="phrase"><a name="coroutine.intro.characteristics"></a></span><a class="link" href="intro.html#coroutine.intro.characteristics">characteristics</a>
    </h4>
<p>
      Characteristics <a href="#ftn.coroutine.intro.f2" class="footnote" name="coroutine.intro.f2"><sup class="footnote">[3]</sup></a> of a coroutine are:
  