Sha256: e9c5722bc3dd7d533d966ed94fd4ed7b1cc1338d9330514e1138d32d4b38c271
Contents?: true
Size: 748 Bytes
Versions: 118
Compression:
Stored size: 748 Bytes
Contents
struct RotationalCipher {
static func rotate(_ target: String, ROT: Int) -> String {
var result = ""
target.unicodeScalars.forEach { unicode in
switch unicode.value {
case 65...90: // A to Z
var scalar = unicode.value + UInt32(ROT)
if scalar > 90 { scalar -= 26 }
result.append(Character(UnicodeScalar(scalar)!))
case 97...122: // a to z
var scalar = unicode.value + UInt32(ROT)
if scalar > 122 { scalar -= 26 }
result.append(Character(UnicodeScalar(scalar)!))
default:
result.append(Character(unicode))
}
}
return result
}
}
Version data entries
118 entries across 118 versions & 1 rubygems