ml#type-t">t</a></span> <span>&#45;&gt;</span> <span class="type-var">'a</span></code></dt></dl><div class="spec module" id="module-Fold_Map"><a href="#module-Fold_Map" class="anchor"></a><code><span class="keyword">module</span> <a href="Fold_Map/index.html">Fold_Map</a> : <span class="keyword">functor</span> (<a href="Fold_Map/argument-1-M/index.html">M</a> : <a href="../../../../Interface/index.html#module-type-MONOID">Interface.MONOID</a>) <span>&#45;&gt;</span> <span class="keyword">sig</span> ... <spa