1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <regex> 10 11 // template <class charT, class traits = regex_traits<charT>> class basic_regex; 12 13 // template <class charT, class traits> 14 // void swap(basic_regex<charT, traits>& lhs, basic_regex<charT, traits>& rhs); 15 16 #include <regex> 17 #include <cassert> 18 #include "test_macros.h" 19 main(int,char **)20int main(int, char**) 21 { 22 std::regex r1("(a([bc]))"); 23 std::regex r2; 24 swap(r2, r1); 25 assert(r1.flags() == std::regex::ECMAScript); 26 assert(r1.mark_count() == 0); 27 assert(r2.flags() == std::regex::ECMAScript); 28 assert(r2.mark_count() == 2); 29 30 return 0; 31 } 32