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  1. #include <iostream>
  2. struct Foo{
  3.     int value = 0;
  4.     int& operator[](size_t i) {
  5.         std::cout << "non-const\n";
  6.         return value;
  7.     }
  8.  
  9.     const int& operator[](size_t i) const {
  10.         std::cout << "const\n";
  11.         return const_cast<Foo*>(this)->operator[](i);
  12.     }
  13. };
  14.  
  15. int main(){
  16. 	const Foo g;
  17. 	//g[0] = 3;
  18. 	Foo f;
  19. 	f[0];
  20. }
Success #stdin #stdout 0s 15240KB
comments ()
stdin 
Standard input is empty
stdout 
non-const
https://ideone.com/GD32ig
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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