|
111
|
1 // PR c++/78358
|
|
|
2 // { dg-do run }
|
|
|
3 // { dg-options -std=c++17 }
|
|
|
4
|
|
|
5 #include <tuple>
|
|
|
6
|
|
|
7 template <typename, typename> struct same_type;
|
|
|
8 template <typename T> struct same_type<T, T> {};
|
|
|
9
|
|
|
10 int main() {
|
|
|
11 std::tuple tuple = { 1, 'a', 2.3, true };
|
|
|
12 auto[i, c, d, b] = tuple;
|
|
|
13 same_type<std::tuple_element<0, decltype(tuple)>::type, decltype(i)>{};
|
|
|
14 same_type<decltype(i), int>{};
|
|
|
15 same_type<decltype(c), char>{};
|
|
|
16 same_type<decltype(d), double>{};
|
|
|
17 same_type<decltype(b), bool>{};
|
|
|
18 if (i != 1 || c != 'a' || d != 2.3 || b != true)
|
|
|
19 __builtin_abort ();
|
|
|
20 }
|
