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fix nameof_enum

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neargye 2019-11-18 12:48:51 +05:00
parent 0e425a33b7
commit 7e3b975054
1 changed files with 2 additions and 4 deletions
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6
include/nameof.hpp
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@ -579,10 +579,8 @@ template <typename E>
// Obtains simple (unqualified) string enum name of static storage enum variable. // Obtains simple (unqualified) string enum name of static storage enum variable.
// This version is much lighter on the compile times and is not restricted to the enum_range limitation. // This version is much lighter on the compile times and is not restricted to the enum_range limitation.
template <auto V> template <auto V>
[[nodiscard]] constexpr auto nameof_enum() noexcept { [[nodiscard]] constexpr auto nameof_enum() noexcept -> detail::enable_if_enum_t<decltype(V), std::string_view> {
using D = detail::remove_cvref_t<decltype(V)>; constexpr std::string_view name = detail::enum_name_v<detail::remove_cvref_t<decltype(V)>, V>;
static_assert(std::is_enum_v<D>, "nameof::nameof_enum requires enum type.");
constexpr auto name = detail::n<D, V>();
static_assert(name.size() > 0, "Enum value does not have a name."); static_assert(name.size() > 0, "Enum value does not have a name.");
return name; return name;