示例
- enum class 定义
enum class Color : std::uint8_t {
COLOR_NONE = 0,
COLOR_RED,
COLOR_GREEN,
COLOR_BLUE,
};
- 打印
Color color = Color::COLOR_RED;
int colorA = std::underlying_type<Color>::type(color);
int colorB = static_cast<int8_t>(color);
int colorC = static_cast<std::underlying_type<Color>::type>(color);
std::cout << "colorA:" << colorA << " colorB:" << colorB << " colorC:" << colorC << std::endl;
参考
- Enumeration declaration
- Strongly Typed Enums (revision 3)
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