">IntHashtbl</span>.add&nbsp;h&nbsp;12&nbsp;<span class="string">"hello"</span>;;<br>
&nbsp;&nbsp;&nbsp;&nbsp;</code></pre>
<p>

    This creates a new module <code class="code"><span class="constructor">IntHashtbl</span></code>, with a new type <code class="code"><span class="keywordsign">'</span>a
    <span class="constructor">IntHashtbl</span>.t</code> of tables from <code class="code">int</code> to <code class="code"><span class="keywordsign">'</span>a</code>. In this example, <code class="code">h</code