1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // UNSUPPORTED: c++98, c++03
11 //  Because we don't have a functioning decltype in C++03
12 
13 // <memory>
14 
15 // unique_ptr
16 
17 // template<class CharT, class Traits, class Y, class D>
18 //   basic_ostream<CharT, Traits>&
19 //   operator<<(basic_ostream<CharT, Traits>& os, const unique_ptr<Y, D>& p);
20 
21 //   -?- Remarks: This function shall not participate in overload resolution unless os << p.get() is a valid expression.
22 
23 #include <memory>
24 #include <sstream>
25 #include <cassert>
26 
27 class A {};
28 
29 int main()
30 {
31     std::unique_ptr<A> p(new A);
32     std::ostringstream os;
33     os << p;
34 }
35