Method shared_container

src/rpp/rpp/sources/from.hpp:34–38

        template<typename... Ts>
            requires (!constraint::variadic_decayed_same_as<shared_container<Container>, Ts...>)
        explicit shared_container(Ts&&... items)
            // raw "new" call to avoid extra copy/moves for items
            : m_container{new Container{std::forward<Ts>(items)...}}
        {
        }

        shared_container(const shared_container&)     = default;
        shared_container(shared_container&&) noexcept = default;