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12 lines
321 B
12 lines
321 B
enum Direction {
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// 枚举中成员的值可以是字符串
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// 字符串枚举没有自增行为，因此，字符串枚举的每个成员必须有初始值
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Up = 'UP',
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Down = 'DOWN',
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Left = 'LEFT',
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Right = 'RIGHT'
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}
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function changeDirection(direction: Direction) {}
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changeDirection(Direction.Up)
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