A type alias to a basic_result<T, E, NoValuePolicy> configured with boost::system::error_code and policy::all_narrow .

This type alias always references the boost edition of things, unlike unchecked<T, E = varies> which references either this alias or std_unchecked<T, E = std::error_code> .

Namespace: BOOST_OUTCOME_V2_NAMESPACE

Header: <boost/outcome/boost_result.hpp>