pec value" id="val-(+)"><a href="#val-(+)" class="anchor"></a><code><span class="keyword">val</span> (+) : <a href="index.html#type-t">t</a> <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><dt class="spec value" id="val-(*)"><a href="#val-(*)" class="anchor"></a><code><span class="keyword">val</span> (*) : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="inde