//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <chrono>
// typedef duration<signed integral type of at least 29 bits, ratio< 60>> minutes;
#include<chrono>#include<type_traits>#include<limits>intmain(){typedefstd::chrono::minutesD;typedefD::repRep;typedefD::periodPeriod;static_assert(std::is_signed<Rep>::value,"");static_assert(std::is_integral<Rep>::value,"");static_assert(std::numeric_limits<Rep>::digits>=28,"");static_assert((std::is_same<Period,std::ratio<60>>::value),"");}