Annotate tree nodes with their post-order depth-first ordinal.
Under the pre key you will find a version that does the same but in
depth-first pre-order, and under the breadthFirst key you will find a
version that does the same but in breadth-first order.
Annotate tree nodes with their post-order depth-first ordinal.
Under the
prekey you will find a version that does the same but in depth-first pre-order, and under thebreadthFirstkey you will find a version that does the same but in breadth-first order.