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update readme

This commit is contained in:
neargye 2019-04-30 19:03:50 +05:00
parent babf616d35
commit f059e71c6f

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@ -137,7 +137,7 @@ enum Color { RED = 2, BLUE = 4, GREEN = 8 };
// color_names[0] -> "RED"
```
* Enum names sequence
* Enum entries sequence
```cpp
constexpr auto color_entries = magic_enum::enum_entries<Color>();
// color_entries -> {{Color::RED, "RED"}, {Color::BLUE, "BLUE"}, {Color::GREEN, "GREEN"}}
@ -190,6 +190,8 @@ enum Color { RED = 2, BLUE = 4, GREEN = 8 };
* `magic_enum::enum_names` returns `std::array<std::string_view, N>` with all string enum name where `N = number of enum values`, sorted by enum value.
* `magic_enum::enum_entries` returns `std::array<std::pair<E, std::string_view>, N>` with all std::pair (value enum, string enum name) where `N = number of enum values`, sorted by enum value.
* Enum value must be in range `[MAGIC_ENUM_RANGE_MIN, MAGIC_ENUM_RANGE_MAX]`. By default `MAGIC_ENUM_RANGE_MIN = -128`, `MAGIC_ENUM_RANGE_MAX = 128`.
If need another range for all enum types by default, redefine the macro `MAGIC_ENUM_RANGE_MIN` and `MAGIC_ENUM_RANGE_MAX`.
@ -214,7 +216,7 @@ enum Color { RED = 2, BLUE = 4, GREEN = 8 };
}
```
* `magic_enum::enum_cast` and `magic_enum::enum_name` obtains the first defined value enums, and won't work if value are aliased.
* `magic_enum` obtains the first defined value enums, and won't work if value are aliased.
```cpp
enum ShapeKind {
ConvexBegin = 0,