Merge 2014-11 LWG Motion 18

zygoloid · zygoloid · commit c5656a010a74 · 2014-11-18T17:07:38.000-08:00
diff --git a/source/utilities.tex b/source/utilities.tex
@@ -9263,6 +9263,8 @@
     using underlying_type_t = typename underlying_type<T>::type;
   template <class T>
     using result_of_t       = typename result_of<T>::type;  
+  template <class...>
+    using void_t            = void;
 } // namespace std
 \end{codeblock}
 
