Board.count_false: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/board.bend as Board
Lines 124-130 of minebender-game@1.0.0.0/board.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/board.bend&start_line=124&end_line=130

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

# How many cells of the grid are False.
def count_false(g: T.Grid(Bool)) -> Nat:
  match g:
    case Nil{}:
      0n
    case r <> t:
      Nat.add(row_false(r), count_false(t))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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/board.bend&name=row_false
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Grid