 <span class="type-var">'a</span> <span>&#45;&gt;</span> bool)</span></span> <span>&#45;&gt;</span> int</code></dt><dt class="spec value" id="val-range"><a href="#val-range" class="anchor"></a><code><span class="keyword">val</span> range : <span>?&#8288;stride:int</span> <span>&#45;&gt;</span> <span>?&#8288;start:<span>[ `exclusive <span>| `inclusive</span> ]</span></span> <span>&#45;&gt;</span> <span>?&#8288;stop:<span>[ `exclusive <span>| `inclusive</span> ]</span></span> <span>&#45;&gt;</span> int <span>