fork(1) download
copy 
  1. #include <iostream>
  2. #include <memory>
  3.  
  4. int main() 
  5. {
  6. 	std::weak_ptr<int> weakPtr;
  7. 	auto deleter = [&](int* targetPtr) 
  8. 	{
  9. 		std::cout 
  10. 			<< "- Can we restore a shared pointer in its deleter?\n"
  11. 			<< "- " << (weakPtr.lock().get() ? "Yes." : "No.") << std::endl;
  12. 		delete targetPtr;
  13. 	};
  14. 	std::shared_ptr<int> sharedPtr(new int(), deleter);
  15. 	weakPtr = sharedPtr;
  16. 	std::cout 
  17. 		<< "- Has the shared pointer been created?\n"
  18. 		<< "- " << (weakPtr.lock().get() ? "Yes." : "No.") << std::endl;
  19. }
Success #stdin #stdout 0s 3432KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
- Has the shared pointer been created?
- Yes.
- Can we restore a shared pointer in its deleter?
- No.
https://ideone.com/IIw8FU
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!