c52f43e72d
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
562 B
C++
25 lines
562 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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// duration
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// duration operator-() const;
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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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const std::chrono::minutes m(3);
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std::chrono::minutes m2 = -m;
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assert(m2.count() == -m.count());
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}
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