lass="anchor"></a><code><span class="keyword">val</span> sign : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> int</code></dt><dt class="spec value" id="val-of_int_up"><a href="#val-of_int_up" class="anchor"></a><code><span class="keyword">val</span> of_int_up : int <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-of_int_down"><a href="#val-of_int_down" class="anchor"></a><code><span class="keyword">val</span> of_int_down : int <span>&#45;&gt;</spa