</code> but discards the value of <code>b</code></p></dd></dl><dl><dt class="spec value" id="val-both"><a href="#val-both" class="anchor"></a><code><span class="keyword">val</span> both : <span><span class="type-var">'a</span> <a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> <span><span class="type-var">'b</span> <a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> <span><span>(<span class="type-var">'a</span> * <span class="type-var">'b</span>)</span> <a href="index.html#type-t">t