Accessing to enum values by '::' in C++

Question

I have class like following:

class Car  
{  
public:  
    Car();  
    // Some functions and members and enums  
    enum Color
    {
              


        

Answer 1

In current C++ (i.e. C++11 and beyond), you can already access enum values like that:

enum Color { Red };
Color c = Color::Red;
Color d = Red;

You can go further and enforce the use of this notation:

enum class Color { Red };
Color c = Color::Red;
// Color d = Red;   <--  error now

And on a sidenote, you now define the underlying type, which was previously only possible with hacky code (FORCEDWORD or so anyone?):

enum class Color : char { Red };