29 lines
770 B
C++
29 lines
770 B
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 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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// <regex>
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// template <class charT, class traits = regex_traits<charT>> class basic_regex;
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// void swap(basic_regex& e);
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#include <regex>
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#include <cassert>
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int main()
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{
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std::regex r1("(a([bc]))");
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std::regex r2;
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r2.swap(r1);
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assert(r1.flags() == std::regex::ECMAScript);
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assert(r1.mark_count() == 0);
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assert(r2.flags() == std::regex::ECMAScript);
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assert(r2.mark_count() == 2);
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}
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