func determineWinner()

in tutorials/tutorial4-completed/TicTacToe/RandomWin/RandomWinInteractor.swift [58:65]


    func determineWinner() {
        let random = arc4random_uniform(100)
        let winner = random > 50 ? PlayerType.player1 : PlayerType.player2
        presenter.announce(winner: winner) {
            self.mutableScoreStream.updateScore(with: winner)
            self.listener?.didRandomlyWin(with: winner)
        }
    }