BalancedSearchTree.key_id: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend as BalancedSearchTree
Lines 1142-1144 of bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend&start_line=1142&end_line=1144

import Base

def key_id(~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, r: TreeMap<K, V, cmp> & Nat) -> TreeMap<K, V, cmp> & Maybe<&2, K>:
  (m, id) = r
  key_finish(~K, ~V, ~cmp, read(~K, ~V, ~cmp, m, id))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Cmp
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend&name=TreeMap
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend&name=key_finish
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend&name=read