blob: 00da6f69ca53029e5411038ed95e5c9c83a81be8 (
plain) (
blame)
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
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <chrono>
// duration
// duration operator-() const;
#include <chrono>
#include <cassert>
int main()
{
{
const std::chrono::minutes m(3);
std::chrono::minutes m2 = -m;
assert(m2.count() == -m.count());
}
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
{
constexpr std::chrono::minutes m(3);
constexpr std::chrono::minutes m2 = -m;
static_assert(m2.count() == -m.count(), "");
}
#endif
}
|