(iOS/swift4) C-style for statement has been removed in Swift 3

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Error

C-style for statement has been removed in Swift 3

Solve

우리가 아는 일반적인 for 문

        for (i=0; i<pos; i++) {
            // code here
        }

Swift 4 에서의 for 문

        for i in 0...pos {
            // code here
        }

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