1.continue
作用:中止当次循环
for var i = 0;i<100;i++{
if i%10 ==0 {
continue
}
}
2.break
作用:中止循环
3.fallthrough
作用:让switch继续走下去,不中止
var description = "xx"
let integerToDescibe = 5
switch integerToDescibe {
case 2,3,5:
description += "AA"
fallthrough
default:
description += "bb"
}
print(description)
}
4.return
作用:用在函数内部,中止
原文:http://my.oschina.net/u/2346786/blog/523106