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add enum_name for static storage enum variable

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neargye 2019-05-02 19:40:51 +05:00
parent b79706d64d
commit 34fb3ba22a
2 changed files with 75 additions and 33 deletions
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10
include/magic_enum.hpp
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@ -285,6 +285,16 @@ template <typename E, typename = detail::enable_if_enum_t<E>>
return count;
}
// Returns string enum name from static storage enum variable.
// This version is much lighter on the compile times and is not restricted to the enum_range limitation.
template <auto V, typename = detail::enable_if_enum_t<decltype(V)>>
[[nodiscard]] constexpr std::string_view enum_name() noexcept {
using D = std::decay_t<decltype(V)>;
static_assert(std::is_enum_v<D>, "magic_enum::enum_name requires enum type.");
return detail::name_impl<D, V>();
}
// Returns string enum name from enum value.
template <typename E, typename = detail::enable_if_enum_t<E>>
[[nodiscard]] constexpr std::string_view enum_name(E value) noexcept {