Function get

include/boost/leaf/context.hpp:451–455

    template <class T>
    BOOST_LEAF_CONSTEXPR T const * get(error_id err) const noexcept
    {
        detail::slot<T> const * e = detail::find_in_tuple<detail::slot<T>>(tup_);
        return e ? e->has_value(err.value()) : nullptr;
    }

    template <class R, class... H>
    BOOST_LEAF_CONSTEXPR R handle_error( error_id, H && ... ) const;