ctor">INVALID</span></code></td></tr></table></dt></dl><dl><dt class="spec value" id="val-classify"><a href="#val-classify" class="anchor"></a><code><span class="keyword">val</span> classify : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-kind">kind</a></code></dt><dt class="spec value" id="val-zero"><a href="#val-zero" class="anchor"></a><code><span class="keyword">val</span> zero : <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-one"><a href=