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copy 
  1. #include <iostream>
  2.  
  3. class Broken {
  4. public:
  5.     Broken(int i): read_only(read_write), read_write(i) {}
  6.  
  7.     int const& read_only;
  8.  
  9.     void set(int i) { read_write = i; }
  10.  
  11. private:
  12.     int read_write;
  13. };
  14.  
  15. int main() {
  16. 	Broken original(5);
  17. 	Broken copy(original);
  18.  
  19. 	std::cout << copy.read_only << "\n";
  20.  
  21. 	original.set(42);
  22.  
  23. 	std::cout << copy.read_only << "\n";
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
5
42
https://ideone.com/nzUuRI
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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