| 34 | } |
| 35 | |
| 36 | int main() { |
| 37 | // Enum variable to string name. |
| 38 | Color c1 = Color::RED; |
| 39 | auto c1_name = magic_enum::enum_name(c1); |
| 40 | std::cout << c1_name << std::endl; // RED |
| 41 | |
| 42 | // String enum name sequence. |
| 43 | constexpr auto names = magic_enum::enum_names<Color>(); |
| 44 | std::cout << "Color names:"; |
| 45 | for (const auto& n : names) { |
| 46 | std::cout << " " << n; |
| 47 | } |
| 48 | std::cout << std::endl; |
| 49 | // Color names: RED BLUE GREEN |
| 50 | |
| 51 | // String name to enum value. |
| 52 | auto c2 = magic_enum::enum_cast<Color>("BLUE"); |
| 53 | if (c2.has_value()) { |
| 54 | std::cout << "BLUE = " << to_integer(c2.value()) << std::endl; // BLUE = 0 |
| 55 | } |
| 56 | |
| 57 | // Case insensitive enum_cast. |
| 58 | c2 = magic_enum::enum_cast<Color>("blue", magic_enum::case_insensitive); |
| 59 | if (c2.has_value()) { |
| 60 | std::cout << "BLUE = " << to_integer(c2.value()) << std::endl; // BLUE = 0 |
| 61 | } |
| 62 | |
| 63 | // Integer value to enum value. |
| 64 | auto c3 = magic_enum::enum_cast<Color>(10); |
| 65 | if (c3.has_value()) { |
| 66 | std::cout << "GREEN = " << magic_enum::enum_integer(c3.value()) << std::endl; // GREEN = 10 |
| 67 | } |
| 68 | |
| 69 | // Enum value to integer value. |
| 70 | auto c4_integer = magic_enum::enum_integer(Color::RED); |
| 71 | std::cout << "RED = " << c4_integer << std::endl; // RED = -10 |
| 72 | |
| 73 | using magic_enum::iostream_operators::operator<<; // out-of-the-box ostream operator for all enums. |
| 74 | // Ostream operator for enum. |
| 75 | std::cout << "Color: " << c1 << " " << c2 << " " << c3 << std::endl; // Color: RED BLUE GREEN |
| 76 | |
| 77 | // Number of enum values. |
| 78 | std::cout << "Color enum size: " << magic_enum::enum_count<Color>() << std::endl; // Color size: 3 |
| 79 | |
| 80 | // Indexed access to enum value. |
| 81 | std::cout << "Color[0] = " << magic_enum::enum_value<Color>(0) << std::endl; // Color[0] = RED |
| 82 | |
| 83 | // Enum value sequence. |
| 84 | constexpr auto values = magic_enum::enum_values<Color>(); |
| 85 | std::cout << "Colors values:"; |
| 86 | for (const auto c : values) { |
| 87 | std::cout << " " << c; // Ostream operator for enum. |
| 88 | } |
| 89 | std::cout << std::endl; |
| 90 | // Color values: RED BLUE GREEN |
| 91 | |
| 92 | enum class Flags { A = 1, B = 2, C = 4, D = 8 }; |
| 93 | using namespace magic_enum::bitwise_operators; // out-of-the-box bitwise operators for all enums. |
nothing calls this directly
no test coverage detected