PROOF.h.r_none: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/PROOF.bend as PROOF
Lines 3036-3042 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=3036&end_line=3042

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

def h.r_none(
  ~K: Data, ~V: Data, ~hash: K -> U32, ~eq: K -> K -> Bool, +o: U32,
  +es: List<&2, M.Entry<K, V>>, +k: K, ne: {U32.is_eq(o, hash(k)) == False{} : Bool}
) -> {None{} == h.R(~K, ~V, ~hash, ~eq, o, es, k) : Maybe<&2, V>}:
  %h.sb(U32.is_eq(o, hash(k)), False{}, ne)
    : {None{} == M.HMap.bool(Maybe<&2, V>, _, u => h.EG(~K, ~V, ~eq, es, k), u => None{}) : Maybe<&2, V>}
  {==}

Uses (10):
  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=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.EG
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.R
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/PROOF.bend&name=h.sb
  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.bool