#if __cplusplus == 201402L

#include <experimental/optional>

#define WISE_ENUM_OPTIONAL std::experimental::optional

#endif

#include "wise_enum.h"

#include <cassert>

#include <iostream>

// Equivalent to enum Color {GREEN = 2, RED};

WISE_ENUM(Color, (GREEN, 2), RED)

int main() {

// Number of enumerations:

static_assert(wise_enum::size<Color> == 2, "");

std::cerr << "Number of enumerators: " << wise_enum::size<Color> << "\n";

// Iterate over enums

std::cerr << "Enum values and names:\n";

for (auto e : wise_enum::range<Color>) {

std::cerr << static_cast<int>(e.value) << " " << e.name << "\n";

}

std::cerr << "\n";

// Convert any enum to a string

std::cerr << wise_enum::to_string(Color::RED) << "\n";

// Convert any string to an optional enum

auto x1 = wise_enum::from_string<Color>("GREEN");

auto x2 = wise_enum::from_string<Color>("Greeeeeeen");

assert(x1.value() == Color::GREEN);

assert(!x2);

// Everything is constexpr, and a type trait is made available for easy use in

// enable_if/tag dispatch

static_assert(wise_enum::is_wise_enum_v<Color>, "");

static_assert(!wise_enum::is_wise_enum_v<int>, "");

enum flub { blub, glub };

static_assert(!wise_enum::is_wise_enum_v<flub>, "");

return 0;

}