Game.flags_shown: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/game.bend as Game
Lines 585-591 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=585&end_line=591

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

# How many flags the mine counter shows: the mines, less the flags placed.
def flags_shown(+w: Nat, +h: Nat, +shown: T.Grid(Bool), flags: List<&2, T.Pos>) -> Nat:
  match flags:
    case Nil{}:
      0n
    case +p <> t:
      Nat.add(Bool.pick(Nat, unrevealed(w, h, shown, p), 1n, 0n), flags_shown(w, h, shown, t))

Uses (8):
  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=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/game.bend&name=unrevealed
  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