42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
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//===----------------------------------------------------------------------===//
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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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// <regex>
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// class match_results<BidirectionalIterator, Allocator>
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// template <class BidirectionalIterator, class Allocator>
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// void swap(match_results<BidirectionalIterator, Allocator>& m1,
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// match_results<BidirectionalIterator, Allocator>& m2);
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#include <regex>
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#include <cassert>
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void
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test()
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{
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std::match_results<const char*> m1;
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const char s[] = "abcdefghijk";
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assert(std::regex_search(s, m1, std::regex("cd((e)fg)hi")));
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std::match_results<const char*> m2;
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std::match_results<const char*> m1_save = m1;
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std::match_results<const char*> m2_save = m2;
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swap(m1, m2);
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assert(m1 == m2_save);
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assert(m2 == m1_save);
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}
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int main()
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{
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test();
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}
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