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comparison gcc/testsuite/g++.dg/cpp1z/decomp12.C @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
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 }