law inv_step
import minebender-game@1.0.0.0/proof_inv.bend as ProofInvimport Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/game.bend as G
775law inv_step:
776 for +w: Nat
777 for +h: Nat
778 for +layout: T.Grid(Bool)
779 for +g: G.Game
780 for inv: Inv(w, h, layout, g)
781 for +a: T.Action
782 Inv(w, h, layout, G.step(g, a))