1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <memory> 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// template <class T> class weak_ptr; 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// not less than comparable 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <memory> 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant const std::shared_ptr<int> p1(new int); 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant const std::shared_ptr<int> p2(new int); 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant const std::weak_ptr<int> w1(p1); 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant const std::weak_ptr<int> w2(p2); 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant bool b = w1 < w2; 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 28