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  1. #include <iostream>
  2.  
  3. #define TOTAL_DAYS(day,month,year) (day + month*31 + year*365)
  4.  
  5. namespace checkingDate
  6. {
  7. #define C(i) static const char c##i = __DATE__[i];
  8.  
  9. 	C(0); C(1); C(2); C(3);
  10. 	C(4); C(5); C(6); C(7);
  11. 	C(8); C(9); C(10);
  12.  
  13. 	static const int current_date = c4 == ' ' ? c5 - '0' : c5 - '0' + 10;
  14.  
  15. 	static const int current_month = (
  16. 		c0 == 'J' // Jan Jun Jul
  17. 		? (c1 == 'a' ? 1 : (c2 == 'n' ? 6 : 7))
  18. 		: c0 == 'F' ? 2
  19. 		: c0 == 'M' // Mar May
  20. 		? (c2 == 'r' ? 3 : 5)
  21. 		: c0 == 'A' // Apr Aug
  22. 		? (c1 == 'p' ? 4 : 8)
  23. 		: c0 == 'S' ? 9
  24. 		: c0 == 'O' ? 10
  25. 		: c0 == 'N' ? 11
  26. 		: 12
  27. 		);
  28.  
  29. 	static const int current_year = ((c7 - '0') * 1000) + ((c8 - '0') * 100) + ((c9 - '0') * 10) + (c10 - '0');
  30. 	static const int totalDays = TOTAL_DAYS(current_date, current_month, current_year);
  31. }
  32.  
  33. #	define TODO(day,month,year, str)  static_assert(checkingDate::totalDays - TOTAL_DAYS(day,month,year)<30, "old msg");
  34.  
  35. int main()
  36. {
  37. 	TODO(13, 8, 2015, "...");
  38. }
  39.  
  40.  
  41.  
Success #stdin #stdout 0s 3452KB
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stdout 
Standard output is empty
https://ideone.com/PBqKOJ
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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