01afa5c6e4
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189772 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
475 B
C++
21 lines
475 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 dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <optional>
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#include <optional>
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#ifndef _LIBCPP_VERSION
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#error _LIBCPP_VERSION not defined
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#endif
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int main()
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{
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}
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