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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 // <memory>
11 
12 // shared_ptr
13 
14 // bool unique() const;
15 
16 #include <memory>
17 #include <cassert>
18 
main()19 int main()
20 {
21     const std::shared_ptr<int> p(new int(32));
22     assert(p.unique());
23     {
24     std::shared_ptr<int> p2 = p;
25     assert(!p.unique());
26     }
27     assert(p.unique());
28 }
29