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  1. #include <iostream>
  2. #include <memory>
  3.  
  4. int main() 
  5. {
  6. 	std::shared_ptr<int> p( new int( 42 ) );
  7. 	std::cout << "#1: " << p.use_count() << '\n';          
  8.  
  9. 	{ 
  10. 		std::cout << "#2: " << p.use_count() << '\n';
  11. 		std::shared_ptr<int>( p );
  12. 		std::cout << "#3: " << p.use_count() << '\n';
  13. 	}
  14.  
  15. 	std::cout << "#4: " << p.use_count() << '\n';	
  16.  
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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Standard input is empty
stdout
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#1: 1
#2: 1
#3: 0
#4: 1
https://ideone.com/RtG8Vi
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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