Initial release
Legend: to means both is and as are available, is means only is is available
TtoTT*toTT*isstd::nullptr_tT*toU*std::anytoTboost::anytoT
std::expected<T, ...>toTstd::expected<T, E>tostd::unexpected<E>BOOST_OUTCOME_V2_NAMESPACE::outcome<T, ...>toTBOOST_OUTCOME_V2_NAMESPACE::outcome<T, ErrCode, ...>toErrCodeBOOST_OUTCOME_V2_NAMESPACE::outcome<T, ErrCode, ExcPtr, ...>toExcPtr
BOOST_OUTCOME_V2_NAMESPACE::result<T, ...>toTBOOST_OUTCOME_V2_NAMESPACE::result<T, ErrCode, ...>toErrCode
std::future<T>toTstd::optional<T>toTstd::optional<T>isstd::nullopt_tboost::optional<T>toT
std::shared_ptr<T>toTstd::unique_ptr<T>toTstd::variant<Variants...>toT