Solver.item_ok: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/solver.bend as Solver
Lines 60-67 of minebender-game@1.0.0.0/solver.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/solver.bend&start_line=60&end_line=67

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

def item_ok(s: T.Seen, +p: T.Pos, ns: List<&2, T.Pos>, +layout: T.Grid(Bool)) -> Bool:
  match s:
    case T.Hidden{}:
      True{}
    case T.Shown{k}:
      Bool.not(B.mine(layout, p)) && Nat.is_eq(B.count_mines(layout, ns), k)
    case T.Boom{}:
      B.mine(layout, p)

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=count_mines
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=mine
  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
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Seen