Rank.meas.step: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/policy/rank.bend as Rank
Lines 193-200 of cswap-bend-cli@0.1.0.0/policy/rank.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/policy/rank.bend&start_line=193&end_line=200

import Base

def meas.step(+m: Meas, +h: Maybe<&2, Nat>, +thr: Nat) -> Meas:
  match m:
    case Meas{any, all, best}:
      match h:
        case None{}:
          m
        case Some{x}:
          Meas{True{}, all && above.thr(x, thr), Nat.max(best, x)}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  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=Nat.max
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/rank.bend&name=Meas
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/rank.bend&name=above.thr