Cache.purge_needs_clock: 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 283-285 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=283&end_line=285

import Base

# One oldest inspection. Immortal or empty means stop and consumes no clock read.
def purge_needs_clock(-K: Data, -V: Data, c: Cache<K, V>) -> Bool:
  finite_entry(K, V, oldest_entry(K, V, c))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/src/cache.bend&name=Cache
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/src/cache.bend&name=finite_entry
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/proofs/lib/lemmas/src/cache.bend&name=oldest_entry