def row_get

minebender-game@1.0.0.0 · proof_speed.bend:163

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/board.bend as B
import minebender-game@1.0.0.0/proof_base.bend as P
import minebender-game@1.0.0.0/proof_lists.bend as PL

163def row_get(+w: Nat, +h: Nat, +part: T.Grid(Maybe<&2, Bool>), +x: Nat, +y: Nat,
164  +sh: {B.shaped(Maybe<&2, Bool>, w, h, part) == True{} : Bool}, +on: {B.on_board(w, h, T.Pos{x, y}) == True{} : Bool}) ->
165  {List.get(&2, List<&2, Maybe<&2, Bool>>, part, y) == Some{PL.row_of(Maybe<&2, Bool>, part, y)} : Maybe<&2, List<&2, Maybe<&2, Bool>>>}:
166  PL.row_in_get(Maybe<&2, Bool>, w, h, part, y, sh, P.and_true_r(Nat.is_lt(x, w), Nat.is_lt(y, h), on))