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update example

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neargye 2019-07-11 20:23:32 +05:00
parent 6fb880356c
commit e429b61128
1 changed files with 10 additions and 3 deletions
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example/example.cpp
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@ -24,7 +24,7 @@
#include <magic_enum.hpp> #include <magic_enum.hpp>
enum Color { RED = -10, BLUE = 0, GREEN = 10 }; enum class Color : int { RED = -10, BLUE = 0, GREEN = 10 };
int main() { int main() {
// Enum variable to string name. // Enum variable to string name.
@ -44,13 +44,13 @@ int main() {
// String name to enum value. // String name to enum value.
auto c2 = magic_enum::enum_cast<Color>("BLUE"); auto c2 = magic_enum::enum_cast<Color>("BLUE");
if (c2.has_value() && c2.value() == Color::BLUE) { if (c2.has_value() && c2.value() == Color::BLUE) {
std::cout << "BLUE = " << c2.value() << std::endl; // BLUE = 0 std::cout << "BLUE = " << static_cast<int>(c2.value()) << std::endl; // BLUE = 0
} }
// Integer value to enum value. // Integer value to enum value.
auto c3 = magic_enum::enum_cast<Color>(10); auto c3 = magic_enum::enum_cast<Color>(10);
if (c3.has_value() && c3.value() == Color::GREEN) { if (c3.has_value() && c3.value() == Color::GREEN) {
std::cout << "GREEN = " << c3.value() << std::endl; // GREEN = 10 std::cout << "GREEN = " << magic_enum::enum_integer(c3.value()) << std::endl; // GREEN = 10
} }
// Enum value to integer value. // Enum value to integer value.
@ -83,12 +83,19 @@ int main() {
// Checks whether type is an Unscoped enumeration. // 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<Color>);
static_assert(!magic_enum::is_unscoped_enum_v<direction>); static_assert(!magic_enum::is_unscoped_enum_v<direction>);
// Checks whether type is an Scoped enumeration. // 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<Color>);
static_assert(magic_enum::is_scoped_enum_v<direction>); static_assert(magic_enum::is_scoped_enum_v<direction>);
// Checks whether type is an Fixed enumeration.
static_assert(!magic_enum::is_fixed_enum_v<color>);
static_assert(magic_enum::is_fixed_enum_v<Color>);
static_assert(magic_enum::is_fixed_enum_v<direction>);
// Enum pair (value enum, string enum name) sequence. // Enum pair (value enum, string enum name) sequence.
constexpr auto color_entries = magic_enum::enum_entries<Color>(); constexpr auto color_entries = magic_enum::enum_entries<Color>();
std::cout << "Colors entries:"; std::cout << "Colors entries:";