* @param oldToNewMap the map filled with the old node-new node relation
* @return a deep clone of this {@link AUnaryExp} node
*/
public AUnaryExp clone(Map<INode,INode> oldToNewMap)
{
AUnaryExp node = new AUnaryExp(
cloneNode(_operator, oldToNewMap),
cloneNode(_exp, oldToNewMap)
);
oldToNewMap.put(this, node);
return node;