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add check in enum_flags_name

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neargye 2023-06-19 01:25:00 +04:00
parent fd9f70b91d
commit eb0f051078
1 changed files with 8 additions and 5 deletions
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13
include/magic_enum_flags.hpp
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@ -57,12 +57,15 @@ template <typename E>
auto check_value = U{0}; auto check_value = U{0};
for (std::size_t i = 0; i < detail::count_v<D, S>; ++i) { for (std::size_t i = 0; i < detail::count_v<D, S>; ++i) {
if (const auto v = static_cast<U>(enum_value<D, S>(i)); (static_cast<U>(value) & v) != 0) { if (const auto v = static_cast<U>(enum_value<D, S>(i)); (static_cast<U>(value) & v) != 0) {
check_value |= v; if (const auto n = detail::names_v<D, S>[i]; !n.empty()) {
const auto n = detail::names_v<D, S>[i]; check_value |= v;
if (!name.empty()) { if (!name.empty()) {
name.append(1, sep); name.append(1, sep);
}
name.append(n.data(), n.size());
} else {
return {}; // Value out of range.
} }
name.append(n.data(), n.size());
} }
} }