tails></div></div></div><dl><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="index.html#type-t">t</a></code></dt><dd><p>The infix version of <a href="index.html#val-op"><code>op</code></a>.</p></dd></dl><dl><dt class="spec value" id="val-concat"><a href="#val-concat" class="anchor"></a><code><span class="keyword">val<