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hylo source #1
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/// A computer that must be explicitly shut down using a sink method. type Computer { public var ram: String public memberwise init public fun shutdown() sink -> Void { print("Key received, shutting down... Memory contents was: ") print(self.ram) /// Sinking all parts _ = self.ram } } fun test1() { var computer = Computer(ram: "Important data") } fun test2() { var computer = Computer(ram: "Important data") if random_bool() { computer.shutdown() } // This doesn't fail compilation at the moment due to a compiler bug: // https://github.com/hylo-lang/hylo/issues/1776 } fun test3() { var computer = Computer(ram: "Important data") while random_bool() { computer.shutdown() } } fun random_bool() -> Bool { return false // Generated using a fair dice roll % 2. }
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