-template <typename T, typename U,
- typename = typename std::enable_if<!can_memmove<T>::value>::type,
- typename = typename std::enable_if<!can_memmove<U>::value>::type>
-void *memmove(T *d, const U *s, size_t n) = delete;
+template <typename DestinationType,
+ typename SourceType,
+ typename = typename std::enable_if<!can_memmove<DestinationType>::value>::type,
+ typename = typename std::enable_if<!can_memmove<SourceType>::value>::type>
+void *memmove(DestinationType *d, const SourceType *s, size_t n) = delete;