Implement LWG 2770 - Make tuple_size<T> defined for all T

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@286779 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-13 20:43:50 +00:00
parent fc044a1ff2
commit f9a20c2c38
5 changed files with 32 additions and 6 deletions
--- a/include/__tuple
+++ b/include/__tuple
@@ -22,7 +22,7 @@

 _LIBCPP_BEGIN_NAMESPACE_STD

-template <class _Tp> class _LIBCPP_TYPE_VIS_ONLY tuple_size;
+template <class _Tp> class _LIBCPP_TYPE_VIS_ONLY tuple_size {};

 template <class _Tp>
 class _LIBCPP_TYPE_VIS_ONLY tuple_size<const _Tp>