def count_false

minebender-game@1.0.0.0 · board.bend:124

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

124# How many cells of the grid are False.
125def count_false(g: T.Grid(Bool)) -> Nat:
126  match g:
127    case Nil{}:
128      0n
129    case r <> t:
130      Nat.add(row_false(r), count_false(t))