31 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// Test default template arg:14 15// template <class Rep, class Period = ratio<1>>16// class duration;17 18#include <chrono>19#include <ratio>20#include <type_traits>21 22#include "test_macros.h"23 24int main(int, char**)25{26 static_assert((std::is_same<std::chrono::duration<int, std::ratio<1> >,27 std::chrono::duration<int> >::value), "");28 29 return 0;30}31