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