Function All

libraries/lib-utility/Tuple.h:120–124

//! Projection of all of a tuple
template<typename Tuple> auto All(Tuple&& tuple) {
   constexpr auto Length = std::tuple_size_v<std::decay_t<Tuple>>;
   return Projection(
      std::make_index_sequence<Length>{}, std::forward<Tuple>(tuple));
}

//! Type of projection of all of a tuple
template<typename Tuple> using All_t = decltype(All(std::declval<Tuple>()));