The node will have one child. It owns it.
| NodeUn (UnOper* op, Node* node, unsigned line)
| NodeUn |
Caller must not delete / modify pointers.
Parameters:
| op | unary operation associated with node. |
| node | child of node -- argument of operation. |
| line | line of configuration where node was created. |
| ~NodeUn ()
| ~NodeUn |
| DEFINE_VISITABLE ()
| DEFINE_VISITABLE |
| const UnOper& op ()
| op |
[const]
Returns: unary operation associated with node.
| Node& node ()
| node |
[const]
Returns: argument of unary operation.