;</span> bool</code></dt><dt class="spec value" id="val-succ"><a href="#val-succ" class="anchor"></a><code><span class="keyword">val</span> succ : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-log2_ceil_exn"><a href="#val-log2_ceil_exn" class="anchor"></a><code><span class="keyword">val</span> log2_ceil_exn : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="s