LAWS.hmap_collision_get: law of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/LAWS.bend as LAWS
Lines 672-690 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=672&end_line=690

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

# Two distinct keys with one hash share a bucket; both stay reachable.
law hmap_collision_get:
  for ~K: Data
  for ~V: Data
  for ~hash: K -> U32
  for ~eq: K -> K -> Bool
  for ~refl: @x: K -> {eq(x, x) == True{} : Bool}
  for ~sound: @x: K -> @y: K -> {eq(x, y) == True{} : Bool} -> {x == y : K}
  for +m: M.HMap<K, V>
  for +wf: {hmap_wf(~K, ~V, ~hash, ~eq, m) == True{} : Bool}
  for +k1: K
  for +k2: K
  for ne: {k2 != k1 : K}
  for same: {hash(k1) == hash(k2) : U32}
  for +v1: V
  for +v2: V
  {M.HMap.get(~K, ~V, ~hash, ~eq,
     M.HMap.put(~K, ~V, ~hash, ~eq, M.HMap.put(~K, ~V, ~hash, ~eq, m, k1, v1), k2, v2), k1)
   == Some{v1} : Maybe<&2, V>}

Uses (13):
  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=Equal.trans
  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/LAWS.bend&name=hmap_wf
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.gp_other
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.gp_same
  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/PROOF.bend&name=h.wf_put
  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.get
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.put