Get the forest of any tree node. Result could be an empty list if the given node is a Leaf.
See getBranchForest for a version that returns the non-empty forest of a branch.
Underlying tree type.
The tree being queried.
A possibly empty list of trees.
Get the forest of any tree node. Result could be an empty list if the given node is a Leaf.
See getBranchForest for a version that returns the non-empty forest of a branch.