OC中的for循环写法:
for (int i = 0;i < 100;i++) {NSLog(@"i=%zd",i);}
Swift中的for循环写法:
let a = 100;for i in 0 ..< a {print("a=\(i)");}
Swift中for循环不需要i的写法:
let a = 100;for _ in 0..<a {print("a=\(a)");}
原文链接:http://www.cnblogs.com/jukaiit/p/10505811.html
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