ype-t">t</a></span> <span>&#45;&gt;</span> bool</code></dt><dd><p><code>any ~f t</code> is <code>true</code> if the predicate <code>f</code> holds for any element of <code>t</code></p></dd></dl><dl><dt class="spec value" id="val-all"><a href="#val-all" class="anchor"></a><code><span class="keyword">val</span> all : <span>f:<span>(<span class="type-var">'a</span> <span>&#45;&gt;</span> bool)</span></span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a href="index.html#type-t">t</a></span> <