G/index.html">G</a> : <a href="index.html#module-type-GROUP_ANY">GROUP_ANY</a>) <span>&#45;&gt;</span> <a href="index.html#module-type-LOOP_ANY">LOOP_ANY</a></code></div><div class="spec module-type" id="module-type-ABELIAN_GROUP"><a href="#module-type-ABELIAN_GROUP" class="anchor"></a><code><span class="keyword">module</span> <span class="keyword">type</span> <a href="module-type-ABELIAN_GROUP/index.html">ABELIAN_GROUP</a> = <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div>