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  1. #include <iostream>
  2. #include <functional>
  3.  
  4. class foo
  5. {
  6. public:
  7. 	void visitWith(const std::function<void(foo&)> &v) { v(*this); }
  8. 	void visitWith(const std::function<void(const foo&)> &v) const { v(*this); }
  9. };
  10.  
  11. int main()
  12. {
  13. 	foo f;
  14. 	f.visitWith([&](foo&){ std::cout << "visited with non-const" << std::endl; });
  15. 	f.visitWith([&](const foo&){ std::cout << "visited with const" << std::endl; });
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 4356KB
comments (?)
stdin 
Standard input is empty
stdout 
visited with non-const
visited with const
https://ideone.com/ORVzl5
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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