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neargye 2020-08-15 19:52:37 +05:00
parent 619164687f
commit 8f31ad7cfa
4 changed files with 39 additions and 11 deletions
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16
include/magic_enum.hpp
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@ -738,6 +738,15 @@ template <typename E>
return detail::undex<D>(value) != detail::invalid_index_v<D>;
}
// Checks whether enum 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_t<E, bool> {
using D = std::decay_t<E>;
static_assert(std::is_invocable_r_v<bool, BinaryPredicate, char, char>, "magic_enum::enum_contains requires bool(char, char) invocable predicate.");
return enum_cast<D>(value, std::move(p)).has_value();
}
// Checks whether enum contains enumerator with such string name.
template <typename E>
[[nodiscard]] constexpr auto enum_contains(std::string_view value) noexcept -> detail::enable_if_enum_t<E, bool> {
@ -980,8 +989,11 @@ template <typename E>
return std::nullopt; // Value out of range.
}
using magic_enum::enum_type_name; // TODO: impl
using magic_enum::enum_integer; // TODO: impl
// Returns string name of enum type.
using magic_enum::enum_type_name;
// Returns integer value from enum value.
using magic_enum::enum_integer;
namespace ostream_operators {