x = l in e = List.iter (fun x -&gt; e) l</code></p></dd></dl><dl><dt class="spec value" id="val-and+!"><a href="#val-and+!" class="anchor"></a><code><span class="keyword">val</span> and+! : <span><span class="type-var">'a</span> list</span> <span>&#45;&gt;</span> <span><span class="type-var">'b</span> list</span> <span>&#45;&gt;</span> <span><span>(<span class="type-var">'a</span> * <span class="type-var">'b</span>)</span> list</span></code></dt><dd><p>Strict applicative merge (<code>combine</code>). Will t