cxx/test/utilities/time/time.duration/time.duration.arithmetic/op_-.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

25 lines
577 B
C++

//===----------------------------------------------------------------------===//
//
// 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());
}