<span class="arrow">&#45;&gt;</span></span> unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-mone"><a href="#val-mone" class="anchor"></a><code><span><span class="keyword">val</span> mone : <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-zero"><a href="#val-zero" class="anchor"></a><code><span><span class="keyword">val</span> zero : <a href="#type-t">t</a></span></code></div></div><div class="odoc-s