- repeat-while 相当于C语言中的do-while。
- 【代码演示】
var num = 5 while num > 0 { print("num is \(num)") num -= 1 }// 打印5次 var subNum = -1 repeat { print("num is \(subNum)") } while num > 0 // 打印1次
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var num = 5
while num > 0 {
print("num is \(num)")
num -= 1
}// 打印5次
var subNum = -1
repeat {
print("num is \(subNum)")
} while num > 0 // 打印1次
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