is equivalent to
   <code class="code">f x; ()</code>, except that the latter may generate a
   compiler warning; writing <code class="code">ignore(f x)</code> instead
   avoids the warning.<br>
</div>
<br>
<h6 id="6_Stringconversionfunctions">String conversion functions</h6><br>

<pre><span id="VALstring_of_bool"><span class="keyword">val</span> string_of_bool</span> : <code class="type">bool -&gt; string</code></pre><div class="info ">
Return the string representation of a boolean. As the returned values
