better

Author: HDembinski

include/boost/histogram/accumulators/mean.hpp

@@ -154,7 +154,7 @@ class mean {
 private:
   impl_type data_{0, 0, 0};
 
-  friend struct unsafe_access;
+  friend struct ::boost::histogram::unsafe_access;
 };
 
 } // namespace accumulators

include/boost/histogram/unsafe_access.hpp

@@ -117,7 +117,7 @@ struct unsafe_access {
   */
   template <class T>
   static constexpr auto& accumulators_mean_impl(T& m) {
-    return reinterpret_cast<typename T::impl_type&>(m);
+    return m.data_;
   }
 };