"keyword">type</span> <span>('a, 'b) <a href="../Bastet/Interface/module-type-BIFOLDABLE/index.html#type-t">t</a></span> = <span><span>(<span class="type-var">'a</span>, <span class="type-var">'b</span>)</span> Stdlib.result</span></code></div><div class="spec module" id="module-Traversable"><a href="#module-Traversable" class="anchor"></a><code><span class="keyword">module</span> <a href="Traversable/index.html">Traversable</a> : <a href="index.html#module-type-TRAVERSABLE_F">TRAVERSABLE_F</a></code></div