ml">I</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><dl><dt class="spec value" id="val-distributivity"><a href="#val-distributivity" class="anchor"></a><code><span class="keyword">val</span> distributivity : <span><span>(<span class="type-var">'a</span> <span>&#45;&gt;</span> <span class="type-var">'b</span>)</span> <a href="../argument-1-A/index.html#type-t">A.t</a></span> <span>&#45;&gt;</span> <span><span>(<span class="type-var">'a</span> <span>&#45;&gt;</span> <