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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<typename T>
  5. class wrapper {
  6. public:
  7.     wrapper(T t) : value(t) {}
  8.  
  9.     operator T() const { return value; }
  10.     operator T&() { return value; }
  11.     operator const T&() const { return value; }
  12. private:
  13.     T value;
  14. };
  15.  
  16. int main() {
  17. 	wrapper<int> test = 12;
  18.  
  19. 	int example = test;
  20.  
  21. 	std::cout << "test: " << test << "\nexample: " << example << "\n";
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 3140KB
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stdin
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Standard input is empty
stdout
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test: 12
example: 12
https://ideone.com/lIwpdO
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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