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neargye 2020-08-15 20:30:35 +05:00
parent 8f31ad7cfa
commit 0228a62497
1 changed files with 11 additions and 0 deletions
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11
include/magic_enum.hpp
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@ -932,6 +932,17 @@ template <typename E>
return enum_contains<D>(static_cast<U>(value));
}
// Checks whether enum-flags contains enumerator with such string name.
template <typename E, typename BinaryPredicate>
[[nodiscard]] constexpr auto enum_contains(std::string_view value, BinaryPredicate p) noexcept(std::is_nothrow_invocable_r_v<bool, BinaryPredicate, char, char>) -> detail::enable_if_enum_flags_t<E, bool> {
using D = std::decay_t<E>;
static_assert(std::is_invocable_r_v<bool, BinaryPredicate, char, char>, "magic_enum::flags::enum_contains requires bool(char, char) invocable predicate.");
// TODO: impl
static_assert(sizeof(decltype(value)) == sizeof(E) * 0, "not implemented");
return {};
}
// Checks whether enum-flags contains enumerator with such string name.
template <typename E>
[[nodiscard]] constexpr auto enum_contains(std::string_view value) noexcept -> detail::enable_if_enum_flags_t<E, bool> {