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  1. #include <iostream>
  2.  
  3. #define Incr(x) 		(x + 1)
  4.  
  5. #define toSquare(x)		\
  6. 	std::cout << #x << " to square is " << (x) * x << std::endl
  7.  
  8. int main()
  9. {
  10. 	int z = 3;
  11.  
  12. 	toSquare(2);
  13. 	toSquare(6);
  14. 	toSquare(Incr(z));
  15. 	toSquare(2+4); 
  16.  
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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2 to square is 4
6 to square is 36
Incr(z) to square is 16
2+4 to square is 16
https://ideone.com/2J0fO5
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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