let boy = (10,"boy")switch boy{case (0...20,"boy"):println("boy")case (21...100,"man"):println("man")default:println("其他")}//输出：boy
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let boy = (10,"boy")switch boy{ case (0...20,"boy"): println("boy") case (21...100,"man"): println("man") default: println("其他")}//输出：boy转载于:https://my.oschina.net/t5xgkow/blog/509992