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olbrichj/rot3.swift

Created May 3, 2018 21:31
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rot3.swift
func rot3(msg: String, op: (UInt32, UInt32) -> UInt32) -> String {
let numbers = msg.unicodeScalars.map{$0.value}
return String(numbers.map{Character(UnicodeScalar(op($0, 3))!)})
}
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