def delete_side_left_1
import bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend as BalancedSearchTreeimport Base
1645def delete_side_left_1(~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, +p: Nat, +pn: Node<K>, pair_result: TreeMap<K, V, cmp> & Node<K>) -> TreeMap<K, V, cmp> & DeleteFix:
1646 (m1, +wn) = pair_result
1647 delete_red_sibling_left(~K, ~V, ~cmp, m1, p, node_right(~K, pn), node_red(~K, wn))