65         typedef std::tuple<NothrowCopyAssignable, long> Tuple;  in main()  typedef
67         static_assert(std::is_nothrow_assignable<Tuple&, Pair const&>::value, "");  in main()
68         static_assert(std::is_nothrow_assignable<Tuple&, Pair&>::value, "");  in main()
69         static_assert(std::is_nothrow_assignable<Tuple&, Pair const&&>::value, "");  in main()
72         typedef std::tuple<PotentiallyThrowingCopyAssignable, long> Tuple;  in main()  typedef
74         static_assert(std::is_assignable<Tuple&, Pair const&>::value, "");  in main()
75         static_assert(!std::is_nothrow_assignable<Tuple&, Pair const&>::value, "");  in main()
77         static_assert(std::is_assignable<Tuple&, Pair&>::value, "");  in main()
78         static_assert(!std::is_nothrow_assignable<Tuple&, Pair&>::value, "");  in main()
80         static_assert(std::is_assignable<Tuple&, Pair const&&>::value, "");  in main()
81         static_assert(!std::is_nothrow_assignable<Tuple&, Pair const&&>::value, "");  in main()