PracticeDev/study_cpp/cpp_primer_source_code/Chapter 6/enum.cpp

// enum.cpp -- using enum
#include <iostream>
// create named constants for 0 - 6
enum {red, orange, yellow, green, blue, violet, indigo};

int main()
{
    using namespace std;
    cout << "Enter color code (0-6): ";
    int code;
    cin >> code;
    while (code >= red && code <= indigo)
    {
        switch (code)
        {
            case red     : cout << "Her lips were red.\n"; break;
            case orange  : cout << "Her hair was orange.\n"; break;
            case yellow  : cout << "Her shoes were yellow.\n"; break;
            case green   : cout << "Her nails were green.\n"; break;
            case blue    : cout << "Her sweatsuit was blue.\n"; break;
            case violet  : cout << "Her eyes were violet.\n"; break;
            case indigo  : cout << "Her mood was indigo.\n"; break;
        }
        cout << "Enter color code (0-6): ";
        cin >> code;
    }
    cout << "Bye\n";
    // cin.get();
    // cin.get();
    return 0; 
}