LAWS.hmap_size_put_replace: law of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/LAWS.bend as LAWS
Lines 636-647 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=636&end_line=647

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

law hmap_size_put_replace:
  for ~K: Data
  for ~V: Data
  for ~hash: K -> U32
  for ~eq: K -> K -> Bool
  for m: M.HMap<K, V>
  for +k: K
  for +v: V
  for -w: V
  for hit: {M.HMap.get(~K, ~V, ~hash, ~eq, m, k) == Some{w} : Maybe<&2, V>}
  {M.HMap.size(K, V, M.HMap.put(~K, ~V, ~hash, ~eq, m, k, v))
   == M.HMap.size(K, V, m) : Nat}

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=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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.sz_put_hit
  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
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.size