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| Language | Swift |
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| Owner | w3xue |
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| Modified | |
| Visibility | Public |
func makeIncrementor(forIncrement amount: Int) -> () -> Int {
var runningTotal = 0
func incrementor() -> Int {
runningTotal += amount
return runningTotal
}
return incrementor
}
let incrementByTen = makeIncrementor(forIncrement: 10)
// 返回的值为10
print(incrementByTen())
// 返回的值为20
print(incrementByTen())
// 返回的值为30
print(incrementByTen())
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