ProofDisplay.mark_ok.pick: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_display.bend as ProofDisplay
Lines 234-241 of minebender-game@1.0.0.0/proof_display.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_display.bend&start_line=234&end_line=241

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/LAWS.bend as L

def mark_ok.pick(+b: Bool, +t: T.Tile, ct: {L.is_covered(t) == False{} : Bool}) ->
  {Maybe.default(&2, Bool, Maybe.map(&2, T.Tile, Bool, x => L.is_covered(x), Bool.pick(Maybe<&2, T.Tile>, b, Some{t}, None{})), False{})
    == False{} : Bool}:
  match b:
    case True{}:
      ct
    case False{}:
      {==}

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.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe.default
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe.map
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/LAWS.bend&name=is_covered
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Tile