Leaf represents a tree node with no children.
Node represents a tree node that may have children.
Construct a tree node with no children.
Construct a tree node with no children.
(Since version 7.2.0) Use Leaf.apply or Node.apply instead.
Construct a tree node with no children.
Construct a tree node with no children.
(Since version 7.2.0) Use Leaf.apply instead.
Construct a new Tree node.
Construct a new Tree node.
(Since version 7.2.0) Use Node.apply instead.