ProofSolver.dfs_when_some: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_solver.bend as ProofSolver
Lines 1069-1075 of minebender-game@1.0.0.0/proof_solver.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_solver.bend&start_line=1069&end_line=1075

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/solver.bend as S
import minebender-game@1.0.0.0/proof_lists.bend as PL

def dfs_when_some(ok: Bool, k: Unit -> Maybe<&2, T.Grid(Bool)>, -l: T.Grid(Bool),
  e: {S.dfs.when(ok, k) == Some{l} : Maybe<&2, T.Grid(Bool)>}) -> {k(Unit{}) == Some{l} : Maybe<&2, T.Grid(Bool)>}:
  match ok:
    case True{}:
      e
    case False{}:
      Empty.absurd({k(Unit{}) == Some{l} : Maybe<&2, T.Grid(Bool)>}, PL.none_ne_some(T.Grid(Bool), l, e))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_lists.bend&name=none_ne_some
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/solver.bend&name=dfs.when
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Grid