ndex.html#module-type-COMMUTATIVE_RING">Bastet.Interface.COMMUTATIVE_RING</a>) <span>&#45;&gt;</span> <span class="keyword">functor</span> (<a href="Commutative_Ring/argument-2-A/index.html">A</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span>) <span>&#45;&gt;</span> <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Division_Ring"><a href="#module-Division_Ring" class="anchor"></a><code><span class="keyword">module<