BalancedSearchTree.iterator_key_result: 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 423-428 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=423&end_line=428

import Base

def iterator_key_result(~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, r: Cursor<K, V, cmp> & Maybe<&2, Entry<K, V>>) -> Cursor<K, V, cmp> & Maybe<&2, K>:
  match r:
    case Tuple{cursor, None{}}:
      (cursor, None{})
    case Tuple{cursor, Some{Entry{k, v}}}:
      (cursor, Some{k})

Uses (6):
  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=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=Cursor
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/balanced_search_tree.bend&name=Entry