f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
1007 B
C++
30 lines
1007 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <chrono>
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// time_point
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// template <class Clock, class Duration1, class Rep2, class Period2>
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// time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
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// operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
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#include <chrono>
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#include <cassert>
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int main()
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{
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typedef std::chrono::system_clock Clock;
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typedef std::chrono::milliseconds Duration1;
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typedef std::chrono::microseconds Duration2;
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std::chrono::time_point<Clock, Duration1> t1(Duration1(3));
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std::chrono::time_point<Clock, Duration2> t2 = t1 - Duration2(5);
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assert(t2.time_since_epoch() == Duration2(2995));
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}
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