Converting Int to a String in Swift
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let number = 42
let s1 = "\(number)"
//s1 is 42
let s2 = String(number)
//s2 is 42
let s3 = String(format: "%.3d", number)
//s3 is 042
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let number = 42
let s1 = "\(number)"
//s1 is 42
let s2 = String(number)
//s2 is 42
let s3 = String(format: "%.3d", number)
//s3 is 042