law all_safe_append

minebender-game@1.0.0.0 · proof_assist.bend:88

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

88law all_safe_append:
89  for +layout: T.Grid(Bool)
90  for +shown: T.Grid(Bool)
91  for +xs: List<&2, T.Pos>
92  for +ys: List<&2, T.Pos>
93  for e: {G.all_safe.go(layout, shown, ys) == False{} : Bool}
94  {G.all_safe.go(layout, shown, List.append(&2, T.Pos, xs, ys)) == False{} : Bool}