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clean-up

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This commit is contained in:
neargye 2022-03-18 14:08:03 +04:00
parent 492d2b6a18
commit 542aacea41
1 changed files with 9 additions and 5 deletions
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14
include/magic_enum.hpp
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@ -942,7 +942,9 @@ template <typename E>
using D = std::decay_t<E>; using D = std::decay_t<E>;
using U = underlying_type_t<D>; using U = underlying_type_t<D>;
if constexpr (detail::is_sparse_v<D> || detail::is_flags_v<D>) { if constexpr (detail::count_v<D> == 0) {
return {}; // Empty enum.
} else if constexpr (detail::is_sparse_v<D> || detail::is_flags_v<D>) {
return detail::constexpr_switch<&detail::values_v<D>, detail::case_call_t::index>( return detail::constexpr_switch<&detail::values_v<D>, detail::case_call_t::index>(
[](std::size_t i) { return optional<std::size_t>{i}; }, [](std::size_t i) { return optional<std::size_t>{i}; },
value, value,
@ -1027,7 +1029,9 @@ template <typename E>
using D = std::decay_t<E>; using D = std::decay_t<E>;
using U = underlying_type_t<D>; using U = underlying_type_t<D>;
if constexpr (detail::is_sparse_v<D>) { if constexpr (detail::count_v<D> == 0) {
return {}; // Empty enum.
} else if constexpr (detail::is_sparse_v<D>) {
if constexpr (detail::is_flags_v<D>) { if constexpr (detail::is_flags_v<D>) {
constexpr auto count = detail::count_v<D>; constexpr auto count = detail::count_v<D>;
auto check_value = U{0}; auto check_value = U{0};
@ -1069,7 +1073,9 @@ template <typename E, typename BinaryPredicate = std::equal_to<char>>
using D = std::decay_t<E>; using D = std::decay_t<E>;
using U = underlying_type_t<D>; using U = underlying_type_t<D>;
if constexpr (detail::is_flags_v<D>) { if constexpr (detail::count_v<D> == 0) {
return {}; // Empty enum.
} else if constexpr (detail::is_flags_v<D>) {
auto result = U{0}; auto result = U{0};
while (!value.empty()) { while (!value.empty()) {
const auto d = detail::find(value, '|'); const auto d = detail::find(value, '|');
@ -1110,8 +1116,6 @@ template <typename E, typename BinaryPredicate = std::equal_to<char>>
} }
return {}; // Invalid value or out of range. return {}; // Invalid value or out of range.
} }
} else {
return {};
} }
} }