def range_unbounded
import bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend as BalancedSearchTreeimport Base
619def range_unbounded(~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, m: TreeMap<K, V, cmp>, +forward: Bool) -> TreeMap<K, V, cmp> & Nat:
620 match forward:
621 case True{}:
622 first_id(~K, ~V, ~cmp, m)
623 case False{}:
624 last_id(~K, ~V, ~cmp, m)