LAWS.hmap_get_del_other_key: law of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/LAWS.bend as LAWS
Lines 609-620 of bend-kit-collections@0.1.4.1/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/LAWS.bend&start_line=609&end_line=620

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

law hmap_get_del_other_key:
  for ~K: Data
  for ~V: Data
  for ~hash: K -> U32
  for ~eq: K -> K -> Bool
  for ~sound: @x: K -> @y: K -> {eq(x, y) == True{} : Bool} -> {x == y : K}
  for m: M.HMap<K, V>
  for +k2: K
  for +k: K
  for ne: {k2 != k : K}
  {M.HMap.get(~K, ~V, ~hash, ~eq, M.HMap.del(~K, ~V, ~hash, ~eq, m, k2), k)
   == M.HMap.get(~K, ~V, ~hash, ~eq, m, k) : Maybe<&2, V>}

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.gd_other
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.ne_f
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.del
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.get