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update doc

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neargye 2020-05-11 16:25:00 +05:00
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doc/reference.md
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@ -140,7 +140,7 @@ template <auto V>
constexpr string_view enum_name() noexcept;
```
* Returns `std::string_view`.
* Returns `std::string_view` with null-terminated string enum name from enum value.
* If enum value does not have name or [out of range](limitations.md), `enum_name(value)` returns empty string.
* If enum value does not have name, `enum_name<value>()` occurs the compilation error `"Enum value does not have a name."`.