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  1. #include <iostream>
  2.  
  3. struct Vec3 
  4. {
  5.     float x, y, z;
  6. };
  7.  
  8. int main() 
  9. {
  10. 	auto copy_size = sizeof(Vec3);
  11. 	auto ptr_size = sizeof(Vec3*);
  12.  
  13. 	std::cout << copy_size << '\n';
  14. 	std::cout << ptr_size << '\n';
  15.  
  16. 	if(ptr_size < copy_size)
  17. 	{
  18. 		std::cout << "Use pass-by-ref-to-const" << '\n';
  19. 	}
  20. 	else
  21. 	{
  22. 		std::cout << "Use pass-by-value" << '\n';
  23. 	}
  24. }
Success #stdin #stdout 0s 4524KB
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12
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Use pass-by-ref-to-const
https://ideone.com/t8R44O
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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