PROOF.h.eg_del_other: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/PROOF.bend as PROOF
Lines 2348-2359 of bend-kit-collections@0.1.4.1/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&start_line=2348&end_line=2359

import Base
import bend-kit-collections@0.1.4.1/hmap.bend as M

def h.eg_del_other(
  ~K: Data, ~V: Data, ~eq: K -> K -> Bool,
  ~sound: @x: K -> @y: K -> {eq(x, y) == True{} : Bool} -> {x == y : K},
  xs: List<&2, M.Entry<K, V>>, +k2: K, +k: K, +ne: {eq(k, k2) == False{} : Bool}
) -> {M.HMap.entries.get(~K, ~V, ~eq, M.HMap.entries.del(~K, ~V, ~eq, xs, k2), k)
      == M.HMap.entries.get(~K, ~V, ~eq, xs, k) : Maybe<&2, V>}:
  match xs:
    case Nil{}:
      {==}
    case Con{M.Entry{+key, +val}, +rest}:
      h.eg_del_other.c(~K, ~V, ~eq, ~sound, key, val, rest, k2, k, ne, eq(k2, key), {==},
        h.eg_del_other(~K, ~V, ~eq, ~sound, rest, k2, k, ne))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.eg_del_other.c
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=Entry
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.entries.del
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.entries.get