diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/variadic7.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/variadic7.C | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic7.C b/gcc/testsuite/g++.dg/cpp0x/variadic7.C new file mode 100644 index 000000000..3ba37bfb6 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/variadic7.C @@ -0,0 +1,33 @@ +// { dg-options "-std=gnu++0x" } +template<typename... Args> +struct tuple_base { + static const int value = 0; +}; + +template<> +struct tuple_base<int> { + static const int value = 1; +}; + +template<> +struct tuple_base<int, float> { + static const int value = 2; +}; + +template<> +struct tuple_base<float, int> { + static const int value = 3; +}; + +template<typename... Args> +struct int_tuple : tuple_base<int, Args...> { }; + +template<typename... Args> +struct tuple_int : tuple_base<Args..., int> { }; + +int a0a[int_tuple<int>::value == 0? 1 : -1]; +int a0b[int_tuple<int>::value == 0? 1 : -1]; +int a1a[int_tuple<>::value == 1? 1 : -1]; +int a1b[tuple_int<>::value == 1? 1 : -1]; +int a2[int_tuple<float>::value == 2? 1 : -1]; +int a3[tuple_int<float>::value == 3? 1 : -1]; |