//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <memory> // shared_ptr // explicit operator bool() const; #include <memory> #include <cassert> int main() { { const std::shared_ptr<int> p(new int(32)); assert(p); } { const std::shared_ptr<int> p; assert(!p); } }