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  1. #include <iostream>
  2.  
  3. constexpr const char* format_of(char) { return "%c"; }
  4. constexpr const char* format_of(int) { return "%d"; }
  5. constexpr const char* format_of(unsigned long) { return "%lu"; }
  6. constexpr const char* format_of(unsigned long long) { return "%llu"; }
  7.  
  8. template <typename T>
  9. void my_printf(T t)
  10. {
  11. 	printf(format_of(t), t);
  12. 	printf(" with format '%s'\n", format_of(t));
  13. }
  14.  
  15. int main() {
  16. 	my_printf('*');
  17. 	my_printf(42);
  18. 	my_printf(4242LLU);
  19. }
  20.  
Success #stdin #stdout 0s 3096KB
comments (?)
stdin 
Standard input is empty
stdout 
* with format '%c'
42 with format '%d'
4242 with format '%llu'
https://ideone.com/nVCDoT
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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