template <typename D, typename... TList>
using return_type = std::
array<typename return_type_helper<D, TList...>::type, sizeof...(TList)>;
-} // !array_detail
+} // namespace array_detail
template <typename D = void, typename... TList>
constexpr array_detail::return_type<D, TList...> make_array(TList&&... t) {
return {{static_cast<value_type>(std::forward<TList>(t))...}};
}
-} // !folly
+} // namespace folly