Make all string based enums String convertible using the rawValue

printable-string-enums.swift

extension CustomStringConvertible where Self: RawRepresentible, Self.RawValue == String {
    var description: String {
        return rawValue
    }
}

extension CustomDebugStringConvertible where Self: RawRepresentible, Self.RawValue == String {
    var debugDescription: String {
        return "\(self)"
    }
}