/span> fst3</span> : <code class="type">'a * 'b * 'c -&gt; 'a</code></pre>
<pre><span id="VALsnd3"><span class="keyword">val</span> snd3</span> : <code class="type">'a * 'b * 'c -&gt; 'b</code></pre>
<pre><span id="VALthd3"><span class="keyword">val</span> thd3</span> : <code class="type">'a * 'b * 'c -&gt; 'c</code></pre>
<pre><span id="VALfst4"><span class="keyword">val</span> fst4</span> : <code class="type">'a * 'b * 'c * 'd -&gt; 'a</code></pre>
<pre><span id="VALsnd4"><span class="keyword">val</span> 