1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <utility>
// template <class T1, class T2> struct pair
// template <class... Args1, class... Args2>
// pair(piecewise_construct_t, tuple<Args1...> first_args,
// tuple<Args2...> second_args);
#include <cassert>
#include <tuple>
#include <utility>
#include "test_macros.h"
int main(int, char**)
{
{
typedef std::pair<int, int*> P1;
typedef std::pair<int*, int> P2;
typedef std::pair<P1, P2> P3;
P3 p3(std::piecewise_construct, std::tuple<int, int*>(3, nullptr),
std::tuple<int*, int>(nullptr, 4));
assert(p3.first == P1(3, nullptr));
assert(p3.second == P2(nullptr, 4));
}
return 0;
}
|
