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  1. #include <iostream>
  2.  
  3. struct iface
  4. {
  5. 	virtual void test(int a = 0)	{ std::cout << a; }
  6. };
  7.  
  8. struct impl : public iface
  9. {
  10. 	virtual void test(int a = 5) override { std::cout << a; }
  11. };
  12.  
  13. int main()
  14. {
  15. 	impl d;
  16. 	d.test();
  17. 	iface* a = &d;
  18. 	a->test();
  19. }
Success #stdin #stdout 0s 3412KB
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stdout 
50
https://ideone.com/dezziR
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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