Contents

package rotationalcipher

import (
	"unicode"
)

// RotationalCipher is an implementation for the rotational cipher exercise.
func RotationalCipher(plain string, shiftKey int) string {
	var cipher []rune
	for _, ru := range plain {
		if unicode.IsUpper(ru) {
			ru = rune('A' + (int(ru-'A')+shiftKey)%26)
		} else if unicode.IsLower(ru) {
			ru = rune('a' + (int(ru-'a')+shiftKey)%26)
		}
		cipher = append(cipher, ru)
	}

	return string(cipher)
}

Version data entries

122 entries across 122 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.179	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.178	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.177	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.176	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.175	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.174	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.173	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.172	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.171	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.170	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.169	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.167	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.166	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.165	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.164	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.163	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.162	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.161	tracks/go/exercises/rotational-cipher/example.go
trackler-2.2.1.160	tracks/go/exercises/rotational-cipher/example.go