Upcasting facility refactored by adding additional alias templates

2019-04-09 16:53:34 +02:00
1 parent 373e70f2b1
commit fe158440bb
@@ -101,8 +101,7 @@ namespace units {
  template<typename T>
  concept bool Dimension =
      std::is_empty_v<T> &&
-      detail::is_dimension<typename T::base_type> &&
-      std::experimental::ranges::DerivedFrom<T, typename T::base_type>;
+      detail::is_dimension<upcast_from<T>>;


  // dim_invert