pan class="lineno">   25</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classstringhistogram__.html">   29</a></span>&#160;<span class="keyword">module</span> <a class="code" href="classstringhistogram__.html">stringhistogram_</a></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keywordtype">use </span><a class="code" href="classstring__.html">string_</a></div>
<div class="line"><a name="l00031"></a><sp