Omap.OMap.del: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/omap.bend as Omap
Lines 190-200 of bend-kit-collections@0.1.4.1/omap.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/omap.bend&start_line=190&end_line=200

import Base

def OMap.del(
  ~K: Data, ~V: Data, ~cmp: K -> K -> Cmp, m: OMap<K, V>, +k: K
) -> OMap<K, V>:
  match m:
    case OTip{}:
      OTip{}
    case OBin{s, +key, +val, +lo, +hi}:
      Cmp.case(OMap<K, V>, cmp(k, key),
        u => OMap.balance(K, V, key, val, OMap.del(~K, ~V, ~cmp, lo, k), hi),
        u => OMap.glue(K, V, lo, hi),
        u => OMap.balance(K, V, key, val, lo, OMap.del(~K, ~V, ~cmp, hi, k)))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Cmp
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/omap.bend&name=Cmp.case
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/omap.bend&name=OMap
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/omap.bend&name=OMap.balance
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/omap.bend&name=OMap.glue