34 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <chrono>10 11// duration12 13// template <class Rep2>14// explicit duration(const Rep2& r);15 16// construct double with int17 18#include <chrono>19#include <cassert>20 21#include "test_macros.h"22 23int main(int, char**)24{25 std::chrono::duration<double> d(5);26 assert(d.count() == 5);27#if TEST_STD_VER >= 1128 constexpr std::chrono::duration<double> d2(5);29 static_assert(d2.count() == 5, "");30#endif31 32 return 0;33}34