Names for the child nodes to show in AST dumps.
Names for the child nodes to show in AST dumps. Defaults to a numbered sequence starting at 0 but can be overridden by subclasses to produce more suitable names.
The intrinsic symbol that points to this Node object.
The intrinsic symbol that points to this Node object.
Apply a mapping function to all children of this node and recreate the node with the new children.
Apply a mapping function to all children of this node and recreate the node with the new children. If all new children are identical to the old ones, this node is returned.