def remove_present_1
import bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend as BalancedSearchTreeimport Base
1754def remove_present_1(~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, +id: Nat, pair_result: TreeMap<K, V, cmp> & Maybe<&2, V>) -> TreeMap<K, V, cmp> & Maybe<&2, V>:
1755 (m1, value) = pair_result
1756 (unlink_target(~K, ~V, ~cmp, delete_target(~K, ~V, ~cmp, id, read(~K, ~V, ~cmp, m1, id))), value)