blob: f0e3a786d6cd6390b31cd3b429dc6e87277bf4c7 (
plain)
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
|
//===----------------------------------------------------------------------===//
//
// 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: libcpp-has-no-threads
// UNSUPPORTED: c++98, c++03
// <future>
// class promise<R>
// promise();
#include <future>
#include <cassert>
int main()
{
{
std::promise<int> p;
std::future<int> f = p.get_future();
assert(f.valid());
}
{
std::promise<int&> p;
std::future<int&> f = p.get_future();
assert(f.valid());
}
{
std::promise<void> p;
std::future<void> f = p.get_future();
assert(f.valid());
}
}
|
