"keyword">val</span> replace_substring</span> : <code class="type">before:string -&gt; after:string -&gt; string -&gt; string</code></pre>
<pre><span id="VALrev_split_words"><span class="keyword">val</span> rev_split_words</span> : <code class="type">string -&gt; string list</code></pre>
<pre><span id="VALget_ref"><span class="keyword">val</span> get_ref</span> : <code class="type">'a list <a href="Pervasives.html#TYPEref">ref</a> -&gt; 'a list</code></pre>
<pre><span id="VALfst3"><span class="keyword">val<