def dfs.when
import minebender-game@1.0.0.0/solver.bend as Solverimport Base
import minebender-game@1.0.0.0/types.bend as T
227def dfs.when(ok: Bool, k: Unit -> Maybe<&2, T.Grid(Bool)>) -> Maybe<&2, T.Grid(Bool)>:
228 match ok:
229 case False{}:
230 None{}
231 case True{}:
232 k(Unit{})