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add namespace magic_enum::istream_operators

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This commit is contained in:
neargye 2022-04-07 19:18:44 +04:00
parent 25d7f64dfb
commit b6bf0aa2a8
3 changed files with 93 additions and 3 deletions
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25
include/magic_enum.hpp
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@ -1336,7 +1336,7 @@ std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& o
using U = underlying_type_t<D>;
if constexpr (detail::supported<D>::value) {
if (const auto name = magic_enum::enum_flags_name<D>(value); !name.empty()) {
if (const auto name = enum_flags_name<D>(value); !name.empty()) {
for (const auto c : name) {
os.put(c);
}
@ -1353,6 +1353,29 @@ std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& o
} // namespace magic_enum::ostream_operators
namespace istream_operators {
template <typename Char, typename Traits, typename E, detail::enable_if_t<E, int> = 0>
std::basic_istream<Char, Traits>& operator>>(std::basic_istream<Char, Traits>& is, E& value) {
std::basic_string<Char, Traits> in;
is >> in;
if (const auto v = enum_cast<E>(in)) {
value = *v;
} else {
is.setstate(std::ios::failbit);
}
return is;
}
} // namespace magic_enum::istream_operators
namespace iostream_operators {
using namespace ostream_operators;
using namespace istream_operators;
} // namespace magic_enum::iostream_operators
namespace bitwise_operators {
template <typename E, detail::enable_if_t<E, int> = 0>