alid_arg"><span class="keyword">val</span> invalid_arg</span> : <code class="type">string -&gt; 'a</code></pre><div class="info ">
Raise exception <code class="code"><span class="constructor">Invalid_argument</span></code> with the given string.<br>
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<pre><span id="VALfailwith"><span class="keyword">val</span> failwith</span> : <code class="type">string -&gt; 'a</code></pre><div class="info ">
Raise exception <code class="code"><span class="constructor">Failure</span></code> with the given string.<br