llvm-project/libcxx/test/std/utilities/time/time.duration/ratio.fail.cpp

30 lines
674 B
C++

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <chrono>
// duration
// Period shall be a specialization of ratio, diagnostic required.
#include <chrono>
template <int N, int D = 1>
class Ratio
{
public:
static const int num = N;
static const int den = D;
};
int main()
{
typedef std::chrono::duration<int, Ratio<1> > D;
D d;
}