a href="#module-Extend" class="anchor"></a><code><span class="keyword">module</span> <a href="Extend/index.html">Extend</a> : <span class="keyword">functor</span> (<a href="Extend/argument-1-Instance/index.html">Instance</a> : <a href="../index.html#module-type-Functor0">Functor0</a>) <span>&#45;&gt;</span> <a href="index.html#module-type-Extension">Extension</a> <span class="keyword">with</span> <span class="keyword">type</span> <a href="Extend/index.html#type-t">t</a> := <a href="Extend/argument-1-Instanc