// Enum variable to string name.

Color c1 = Color::RED;

auto c1_name = magic_enum::enum_name(c1);

std::cout << c1_name << std::endl; // RED

// String enum name sequence.

constexpr auto color_names = magic_enum::enum_names<Color>();

std::cout << "Color names:";

for (auto n : color_names) {

std::cout << " " << n;

}

std::cout << std::endl;

// Color names: RED BLUE GREEN

// String name to enum value.

auto c2 = magic_enum::enum_cast<Color>("BLUE");

if (c2.has_value() && c2.value() == Color::BLUE) {

std::cout << "BLUE = " << to_integer(c2.value()) << std::endl; // BLUE = 0

}

// Integer value to enum value.

auto c3 = magic_enum::enum_cast<Color>(10);

if (c3.has_value() && c3.value() == Color::GREEN) {

std::cout << "GREEN = " << magic_enum::enum_integer(c3.value()) << std::endl; // GREEN = 10

}

// Enum value to integer value.

auto color_integer = magic_enum::enum_integer(c1);

if (color_integer == to_integer(Color::RED)) {

std::cout << "RED = " << color_integer << std::endl; // RED = -10

}

using namespace magic_enum::ostream_operators; // out-of-the-box ostream operator for all enums.

// ostream operator for enum.

std::cout << "Color: " << c1 << " " << c2 << " " << c3 << std::endl; // Color: RED BLUE GREEN

// Number of enum values.

std::cout << "Color enum size: " << magic_enum::enum_count<Color>() << std::endl; // Color enum size: 3

// Indexed access to enum value.

std::cout << "Color[0] = " << magic_enum::enum_value<Color>(0) << std::endl; // Color[0] = RED

// Enum value sequence.

constexpr auto colors = magic_enum::enum_values<Color>();

std::cout << "Colors sequence:";

for (Color c : colors) {

std::cout << " " << c; // ostream operator for enum.

}

std::cout << std::endl;

// Color sequence: RED BLUE GREEN

enum class Flags { A = 1, B = 2, C = 4, D = 8 };

using namespace magic_enum::bitwise_operators; // out-of-the-box bitwise operators for all enums.

// Support operators: ~, |, &, ^, |=, &=, ^=.

Flags flags = Flags::A | Flags::C;

std::cout << flags << std::endl;

enum color { red, green, blue };

// Checks whether type is an Unscoped enumeration.

static_assert(magic_enum::is_unscoped_enum_v<color>);

static_assert(!magic_enum::is_unscoped_enum_v<Color>);

static_assert(!magic_enum::is_unscoped_enum_v<Flags>);

// Checks whether type is an Scoped enumeration.

static_assert(!magic_enum::is_scoped_enum_v<color>);

static_assert(magic_enum::is_scoped_enum_v<Color>);

static_assert(magic_enum::is_scoped_enum_v<Flags>);

// Enum pair (value enum, string enum name) sequence.

constexpr auto color_entries = magic_enum::enum_entries<Color>();

std::cout << "Colors entries:";

for (auto e : color_entries) {

std::cout << " " << e.second << " = " << static_cast<int>(e.first);

}

std::cout << std::endl;

// Color entries: RED = -10 BLUE = 0 GREEN = 10

return 0;