How do i ToString() an enum in c++? [duplicate]

Answer 1

enum Color
{
    Red =0,
    Green=1,
    Blue=2
};

std::string ColorMap[] = { "Red", "Green","Blue" };

Use ColorMap[c] to get the string representation:

std::string msg = "Invalid colour '" + ColorMap[c] + "' selected.";

---

However, if the values of enum are not continuous, then you can use std::map instead as:

enum Color
{
    Red   = 0x1,
    Green = 0x2,
    Blue  = 0x4, 
    Black = 0x8, 
};

//C++11 only, as it uses std::initializer_list
std::map ColorMap = {
    {Red, "Red"},
    {Green, "Green"},
    {Blue, "Blue"},
    {Black, "Black"}
};

//same as before!
std::string msg = "Invalid colour '" + ColorMap[c] + "' selected.";