Add void_t and invoke feature test macros

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@284209 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-14 07:19:52 +00:00
parent bf702696d4
commit 48aa2e14a2
4 changed files with 79 additions and 0 deletions
--- a/include/functional
+++ b/include/functional
@@ -2635,6 +2635,8 @@ struct _LIBCPP_TYPE_VIS_ONLY hash : public __enum_hash<_Tp>

 #if _LIBCPP_STD_VER > 14

+#define __cpp_lib_invoke 201411
+
 template <class _Fn, class ..._Args>
 result_of_t<_Fn&&(_Args&&...)>
 invoke(_Fn&& __f, _Args&&... __args)