ProofInv.inv_assist.pick: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_inv.bend as ProofInv
Lines 635-650 of minebender-game@1.0.0.0/proof_inv.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_inv.bend&start_line=635&end_line=650

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

def inv_assist.pick(+w: Nat, +h: Nat, +layout: T.Grid(Bool), +shown: T.Grid(Bool), +flags: List<&2, T.Pos>,
  +status: T.Status, +sh: {B.shaped(Bool, w, h, shown) == True{} : Bool},
  +won: {L.is_won(status) == G.all_safe(w, h, layout, shown) : Bool},
  +cm: {calm(status, w, h, layout, shown) == True{} : Bool},
  +cl: {closed(w, h, layout, shown) == True{} : Bool},
  +st: {status == T.Playing{} : T.Status}, +r: Maybe<&2, T.Pos>, +k: Nat) ->
  Inv(w, h, layout, G.assist.pick(r, G.Game{w, h, layout, shown, flags, status}, k)):
  match r:
    case Some{q}:
      ({==}, ({==}, ({==}, (sh,
        ({%st : {L.is_won(_) == G.all_safe(w, h, layout, shown) : Bool};
          won : {False{} == G.all_safe(w, h, layout, shown) : Bool}},
        ({==}, cl))))))
    case None{}:
      inv_assist.safe(w, h, layout, shown, flags, status, sh, won, cm, cl,
        G.safe_cell(G.Game{w, h, layout, shown, flags, status}, k))

Uses (18):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/LAWS.bend&name=is_won
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=shaped
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/game.bend&name=Game
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/game.bend&name=all_safe
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/game.bend&name=assist.pick
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/game.bend&name=safe_cell
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=Inv
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=calm
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=closed
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=inv_assist.safe
  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=Status