Class template Dune::XT::Common::plus_promotion<L, R>¶ template<class L, class R>class Dune::XT::Common::plus_promotion<L, R>¶ provides the result type of adding values of types L and R Type alias Dune::XT::Common::plus_promotion::type¶ template<class L, class R>using Dune::XT::Common::plus_promotion<L, R>::type = decltype(std::declval<L>() + std::declval<R>())¶ No documentation provided.