c ++使用按位或"|"在一个函数参数中的多个枚举

enum class Color {
    Red = 1,
    Green = 2,
    Blue = 4,
    Yellow = Red | Green,
    Magenta = Red | Blue,
    Cyan = Green | Blue,
    White = Red | Green | Blue
};

void printColors(Color colors) {
    // 检查是否包含Red颜色
    if (colors & Color::Red) {
        std::cout << "Red ";
    }
    // 检查是否包含Green颜色
    if (colors & Color::Green) {
        std::cout << "Green ";
    }
    // 检查是否包含Blue颜色
    if (colors & Color::Blue) {
        std::cout << "Blue ";
    }
    std::cout<< std::endl;
}