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 // <ios> 10 11 // template <class charT, class traits> class basic_ios 12 13 // basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr); 14 15 #include <ios> 16 #include <cassert> 17 18 int main() 19 { 20 std::ios ios(0); 21 std::ostream* os = (std::ostream*)1; 22 std::ostream* r = ios.tie(os); 23 assert(r == 0); 24 assert(ios.tie() == os); 25 } 26