Plan.oldest: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/daemon/plan.bend as Plan
Lines 92-98 of cswap-bend-cli@0.1.0.0/daemon/plan.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/daemon/plan.bend&start_line=92&end_line=98

import Base
import cswap-bend-cli@0.1.0.0/policy/types.bend as T
import cswap-bend-cli@0.1.0.0/daemon/gather.bend as G

# The due candidate with the oldest measurement (the first wins ties).
def oldest(+es: List<&2, G.Ent>, +us: List<&2, T.Usage>, +best: Maybe<&2, G.Ent>) -> Maybe<&2, G.Ent>:
  match es:
    case Nil{}:
      best
    case Con{e, t}:
      oldest(t, us, older(e, best, us))

Uses (5):
  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=cswap-bend-cli@0.1.0.0/daemon/gather.bend&name=Ent
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/daemon/plan.bend&name=older
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/types.bend&name=Usage