Fun" class="def variant constructor anchored"><a href="#type-simple_expression.Fun" class="anchor"></a><code><span>| </span><span><span class="constructor">Fun</span> <span class="keyword">of</span> <a href="#type-function_">function_</a></span></code></li><li id="type-simple_expression.If" class="def variant constructor anchored"><a href="#type-simple_expression.If" class="anchor"></a><code><span>| </span><span><span class="constructor">If</span> <span class="keyword">of</span> <span><a href="#type-case_cl