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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// class match_results<BidirectionalIterator, Allocator>
// void swap(match_results& that);
#include <regex>
#include <cassert>
void
test()
{
std::match_results<const char*> m1;
const char s[] = "abcdefghijk";
assert(std::regex_search(s, m1, std::regex("cd((e)fg)hi")));
std::match_results<const char*> m2;
std::match_results<const char*> m1_save = m1;
std::match_results<const char*> m2_save = m2;
m1.swap(m2);
assert(m1 == m2_save);
assert(m2 == m1_save);
}
int main()
{
test();
}
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