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enum_flags_name: return name for 0, if it exists

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masbug 2024-09-04 14:30:47 +02:00 • committed by GitHub
parent dae6bbf16c
commit 123c66fb78
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8
include/magic_enum/magic_enum_flags.hpp
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@ -70,6 +70,14 @@ template <typename E>
constexpr auto S = detail::enum_subtype::flags;
static_assert(detail::is_reflected_v<D, S>, "magic_enum requires enum implementation and valid max and min.");
// There might be a name for value 0 (when no flags are set).
if constexpr(enum_contains<E>(0)) {
if(static_cast<U>(value) == 0) {
constexpr string_view zeroName = detail::enum_name_v<D, static_cast<D>(0)>;
return string(zeroName);
}
}
string name;
auto check_value = U{0};
for (std::size_t i = 0; i < detail::count_v<D, S>; ++i) {