div class="spec value anchored" id="val-add"><a href="#val-add" class="anchor"></a><code><span><span class="keyword">val</span> add : 
  <span><a href="../Symbol/Shape/Type/index.html#type-elt">Symbol.Shape.Type.elt</a> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="../Symbol/Shape/Type/index.html#type-elt">Symbol.Shape.Type.elt</a> <span class="arrow">&#45;&gt;</span></span>
  <a href="../Symbol/Shape/Type/index.html#type-elt">Symbol.Shape.Type.elt</a></span></code></div><div class="spec-doc"