def vis_parts

minebender-game@1.0.0.0 · proof_laws.bend:490

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/game.bend as G
import minebender-game@1.0.0.0/LAWS.bend as L
import minebender-game@1.0.0.0/proof_base.bend as P

490# A revealed cell of the knowledge is on the board and revealed in the game.
491def vis_parts(+w: Nat, +h: Nat, +layout: T.Grid(Bool), +s: T.Grid(Bool), +f: List<&2, T.Pos>, +st: T.Status,
492  +q: T.Pos, vis: {L.revealed(G.knowledge(G.Game{w, h, layout, s, f, st}), q) == True{} : Bool}) ->
493  {B.on_board(w, h, q) == True{} : Bool}:
494  match q:
495    case T.Pos{x, y}:
496      P.and_true_l(L.on_board(w, h, T.Pos{x, y}),
497        Bool.not(L.is_hidden(L.at(T.Seen, T.Hidden{}, G.know_rows(w, h, layout, s, List.range(h)), T.Pos{x, y}))), vis)