var (
// AlphaNum contains runes [abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789].
AlphaNum = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
// Alpha contains runes [abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ].
Alpha = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
// AlphaLowerNum contains runes [abcdefghijklmnopqrstuvwxyz0123456789].
AlphaLowerNum = []rune("abcdefghijklmnopqrstuvwxyz0123456789")
// AlphaUpperNum contains runes [ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789].
AlphaUpperNum = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
// AlphaLower contains runes [abcdefghijklmnopqrstuvwxyz].
AlphaLower = []rune("abcdefghijklmnopqrstuvwxyz")
// AlphaUpper contains runes [ABCDEFGHIJKLMNOPQRSTUVWXYZ].
AlphaUpper = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
// Numeric contains runes [0123456789].
Numeric = []rune("0123456789")
)
func MustString(l int, allowedRunes []rune) string
MustString returns a random string sequence using the defined runes. Panics on error.
func RuneSequence(l int, allowedRunes []rune) (seq []rune, err error)
RuneSequence returns a random sequence using the defined allowed runes.