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func randomCharacter<T: IntervalType where T.Bound == Character>(inRange range: T) -> Character { | |
let startScalars = String(range.start).unicodeScalars | |
let startCode = startScalars[startScalars.startIndex].value | |
let endScalars = String(range.end).unicodeScalars | |
let endCode = endScalars[endScalars.startIndex].value | |
let characterCount = distance(startCode, endCode) + 1 | |
let rndOffset = Int(arc4random_uniform(UInt32(characterCount))) | |
return Character(UnicodeScalar(startCode + rndOffset)) | |
} |
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