def unlink_1
import bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend as BalancedSearchTreeimport Base
1743def unlink_1(~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, +id: Nat, pair_result: TreeMap<K, V, cmp> & Node<K>) -> TreeMap<K, V, cmp>:
1744 (m1, +node) = pair_result
1745 unlink_2(~K, ~V, ~cmp, id, node, read(~K, ~V, ~cmp, m1, node_parent(~K, node)))