Cache.hit_counts: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/src/cache.bend as Cache
Lines 149-157 of bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/src/cache.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/src/cache.bend&start_line=149&end_line=157

import Base
import bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/types/model.bend as T

def hit_counts(m: T.Metrics, +tracked: Bool, hit: Bool) -> T.Metrics:
  T.Counts{i, e, r, h, s} = m
  match tracked hit:
    case False{} unused:
      T.Counts{i, e, r, h, s}
    case True{} True{}:
      T.Counts{i, e, r, Word.inc(64n, h), s}
    case True{} False{}:
      T.Counts{i, e, r, h, Word.inc(64n, s)}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.inc
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/types/model.bend&name=Metrics