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josephchang10/inout.swift

Created December 21, 2016 07:40
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inout.swift
func swapTwoInts(_ a: inout Int, _ b: inout Int) {
let temporaryA = a
a = b
b = temporaryA
}
var someInt = 3
var anotherInt = 107
swapTwoInts(&someInt, &anotherInt)
print("someInt 现在是 \(someInt)，anotherInt 现在是 \(anotherInt)")
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