//===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // UNSUPPORTED: c++98, c++03 // Because we don't have a functioning decltype in C++03 // <memory> // unique_ptr // template<class CharT, class Traits, class Y, class D> // basic_ostream<CharT, Traits>& // operator<<(basic_ostream<CharT, Traits>& os, const unique_ptr<Y, D>& p); // -?- Remarks: This function shall not participate in overload resolution unless os << p.get() is a valid expression. #include <memory> #include <sstream> #include <cassert> #include "min_allocator.h" #include "deleter_types.h" int main(int, char**) { std::unique_ptr<int, PointerDeleter<int>> p; std::ostringstream os; os << p; // expected-error {{invalid operands to binary expression}} return 0; }