ec value" id="val-zero_extend"><a href="#val-zero_extend" class="anchor"></a><code><span class="keyword">val</span> zero_extend : int <span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dd><p>Add the second argument of zeroes to the left</p></dd></dl><dl><dt class="spec value" id="val-sign_extend"><a href="#val-sign_extend" class="anchor"></a><code><span class="keyword">val</span> sign_extend : int <span>&#45;&gt;</span> <a href="inde