ProofDisplay.mark_cell: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_display.bend as ProofDisplay
Lines 224-232 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=224&end_line=232

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

def mark_cell(+mk: Maybe<&2, T.Tile>, +c: Bool, +fl: Bool, +st: T.Status, over: {st != T.Playing{} : T.Status},
  +w: Nat, +h: Nat, +layout: T.Grid(Bool), +p: T.Pos,
  ok: {Maybe.default(&2, Bool, Maybe.map(&2, T.Tile, Bool, t => L.is_covered(t), mk), False{}) == False{} : Bool}) ->
  {L.is_covered(G.tile.go(mk, c, True{}, fl, st, w, h, layout, p)) == False{} : Bool}:
  match mk:
    case Some{t}:
      ok
    case None{}:
      over_cell(c, st, over, fl, w, h, layout, p)

Uses (13):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty
  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=Base/base.bend&name=Nat
  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/game.bend&name=tile.go
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_display.bend&name=over_cell
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Grid
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Pos
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Status
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Tile