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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Ptr {
  5. public:
  6. 	Ptr( int * p ) : m_ptr( p ) {}
  7.     operator bool() const {
  8.     	std::cout << "bool" << std::endl;
  9.     	return m_ptr != 0;
  10.     }
  11.     explicit operator int*() {
  12.     	std::cout << "pointer" << std::endl;
  13.     	return m_ptr;
  14.     }
  15. private:
  16. 	int * m_ptr;
  17. };
  18.  
  19.  
  20. int main() {
  21.  
  22. 	Ptr p( 0 );
  23. 	if ( p ) {
  24. 		int * t = static_cast<int*>(p);
  25. 	}
  26.  
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 3296KB
comments (?)
stdin 
Standard input is empty
stdout 
bool
https://ideone.com/CMl6xv
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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