def reuse_slot_1
import bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend as BalancedSearchTreeimport Base
288def reuse_slot_1(~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, +id: Nat, pair_result: TreeMap<K, V, cmp> & Maybe<&2, V>) -> TreeMap<K, V, cmp> & Result<&2, &2, Rejected<K, V>, Nat>:
289 (m1, old) = pair_result
290 (m1, Done{id})