EngineeringNew Languages HighlightedCoffeeScript (.coffee) LotteryDraw: { play: -> result: LotteryTicket.new_random() winners: {} this.tickets.each (buyer, ticket_list) -> ticket_list.each (ticket) -> score: ticket.score(result) return if score is 0 winners[buyer] ||= [] winners[buyer].push([ticket, score]) this.tickets:… CoffeeScript (.coffee) LotteryDraw: { play: -> result: LotteryTicket.new_ran
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