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// shared_ptr 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// template<class T, class U> bool operator==(const shared_ptr<T>& a, const shared_ptr<U>& b); 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// template<class T, class U> bool operator!=(const shared_ptr<T>& a, const shared_ptr<U>& b); 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <memory> 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantvoid do_nothing(int*) {} 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant int* ptr1(new int); 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant int* ptr2(new int); 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant const std::shared_ptr<int> p1(ptr1); 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant const std::shared_ptr<int> p2(ptr2); 28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant const std::shared_ptr<int> p3(ptr2, do_nothing); 29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p1 != p2); 30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p2 == p3); 31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 32