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  1. #include <iostream>
  2.  
  3. void f(const int &knob)
  4. {
  5.     ++(const_cast<int&>(knob));
  6. }
  7.  
  8. int main()
  9. {
  10.     int knob = 0;
  11.     f(knob);
  12.     std::cout << knob;
  13. }
Success #stdin #stdout 0s 4276KB
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https://ideone.com/xxN3LO
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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