rposes.</td></tr>
</table>

<h2><a name="functions">Function Details</a></h2>

<h3 class="function"><a name="erl_opt-1">erl_opt/1</a></h3>
<div class="spec">
<p><tt>erl_opt(Opts::<a href="#type-options">options()</a>) -&gt; Flag::boolean()</tt><br></p>
<p> </p>
</div><p>Returns the compiler switch that determines whether Erlang source
  code is output instead of beam. Defaults to 'false'.</p>

<h3 class="function"><a name="file_ext-1">file_ext/1</a></h3>
<div class="spec">
<p><tt>file_ext(Opts) -&gt; any()<