type-t">B.t</a>)</span> <span>&#45;&gt;</span> bool <span>&#45;&gt;</span> <a href="B/index.html#type-t">B.t</a> <span>&#45;&gt;</span> bool</code></dt><dt class="spec value" id="val-in_half"><a href="#val-in_half" class="anchor"></a><code><span class="keyword">val</span> in_half : <span>(<a href="index.html#type-kind">kind</a> * <a href="B/index.html#type-t">B.t</a>)</span> <span>&#45;&gt;</span> bool <span>&#45;&gt;</span> <a href="B/index.html#type-t">B.t</a> <span>&#45;&gt;</span> bool</code></dt><dt cl