ef="../index.html#type-t">t</a></span> <span class="arrow">&#45;&gt;</span></span> <span><span><span class="type-var">'b</span> <a href="../index.html#type-t">t</a></span> <span class="arrow">&#45;&gt;</span></span> <span><span>(<span class="type-var">'a</span> * <span class="type-var">'b</span>)</span> <a href="../index.html#type-t">t</a></span></span></code></div></div><div class="odoc-spec"><div class="spec value" id="val-(&lt;?&gt;)" class="anchored"><a href="#val-(&lt;?&gt;)" class="anchor"></a><code><