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