Game.edges: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/game.bend as Game
Lines 429-436 of minebender-game@1.0.0.0/game.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/game.bend&start_line=429&end_line=436

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/board.bend as B

# The cells of ps not revealed yet but next to a revealed one.
def edges(+w: Nat, +h: Nat, +shown: T.Grid(Bool), ps: List<&2, T.Pos>) -> List<&2, T.Pos>:
  match ps:
    case Nil{}:
      Nil{}
    case +p <> t:
      List.filter.put(T.Pos, p, edges(w, h, shown, t),
        Bool.not(B.at(Bool, False{}, shown, p)) && any_shown(shown, B.neighbours(w, h, p)))

Uses (11):
  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=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.filter.put
  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/board.bend&name=at
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=neighbours
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/game.bend&name=any_shown
  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