an>(<span class="type-var">'c</span>, <span class="type-var">'a</span>)</span> <a href="../Bastet__Function/Semigroupoid/index.html#type-t">Bastet__Function.Semigroupoid.t</a></span> <span>&#45;&gt;</span> <span><span>(<span class="type-var">'c</span>, <span class="type-var">'b</span>)</span> <a href="../Bastet__Function/Semigroupoid/index.html#type-t">Bastet__Function.Semigroupoid.t</a></span></code></dt></dl><div class="spec module-type" id="module-type-FOLD"><a href="#module-type-FOLD" class="anchor"><