="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</a></span></code></dt><dd><p>Same as <code>combine</code> but if a list is shorter then the elements of the longest list are discarded</p></dd></dl><dl><dt class="spec value" id="val-let+"><a href="#val-let+" class="anchor"></a><code><span class="keyword">val</span> let+ : <span><span class="type-var">'a</