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neargye 2019-04-02 18:15:57 +05:00
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@ -35,39 +35,39 @@ Header-only C++17 library provides Enum-to-String and String-to-Enum functions.
## [Examples](example/example.cpp) ## [Examples](example/example.cpp)
* Enum to string * Enum variable to string enum name
```cpp ```cpp
auto color = Color::RED; auto color = Color::RED;
// Enum variable to string enum name. auto color_name = magic_enum::enum_to_string(color);
auto color_name = magic_enum::enum_to_string(c); if (color_name.has_value()) {
if (color_name.has_value()) { // color_name.value() -> "RED"
// color_name.value() -> "RED" }
} ```
constexpr auto color = Color::BLUE; * Static storage enum variable to string enum name
// Static storage enum variable to string enum name. ```cpp
constexpr auto color_name = magic_enum::enum_to_string<color>(); constexpr auto color = Color::BLUE;
if (color_name.has_value()) { constexpr auto color_name = magic_enum::enum_to_string<color>();
// color_name.value() -> "BLUE" if (color_name.has_value()) {
} // color_name.value() -> "BLUE"
``` }
```
* String to enum * String enum name to enum variable
```cpp ```cpp
// String enum name to enum variable. constexpr auto color = magic_enum::enum_from_string<Color>("GREEN");
constexpr auto color = magic_enum::enum_from_string<Color>("GREEN"); if (color.has_value()) {
if (color.has_value()) { // color.value() -> Color::GREEN
// color.value() -> Color::GREEN }
} ```
```
## Remarks ## Remarks
* Enum variable must be in range (-MAGIC_ENUM_RANGE, MAGIC_ENUM_RANGE). By default MAGIC_ENUM_RANGE = 128. If you need a larger range, redefine the macro MAGIC_ENUM_RANGE. * Enum variable must be in range (-MAGIC_ENUM_RANGE, MAGIC_ENUM_RANGE). By default MAGIC_ENUM_RANGE = 128. If you need a larger range, redefine the macro MAGIC_ENUM_RANGE.
```cpp ```cpp
#define MAGIC_ENUM_RANGE 1028 // Redefine MAGIC_ENUM_RANGE for larger range. #define MAGIC_ENUM_RANGE 1028 // Redefine MAGIC_ENUM_RANGE for larger range.
#include <magic_enum.hpp> #include <magic_enum.hpp>
``` ```
## Integration ## Integration