"type-var">'c</span> <span>&#45;&gt;</span> <span class="type-var">'a</span> <span>&#45;&gt;</span> <span class="type-var">'b</span> <span>&#45;&gt;</span> <span class="type-var">'c</span>)</span></span> <span>&#45;&gt;</span> <span><span class="type-var">'c</span> <a href="index.html#module-Or_unequal_lengths">Or_unequal_lengths</a>.t</span></code></dt><dt class="spec value" id="val-for_alli"><a href="#val-for_alli" class="anchor"></a><code><span class="keyword">val</span> for_alli : <span><span class="typ