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  1. #include <iostream>
  2.  
  3. #define MAKE_TYPE_NAME(type)                        \
  4.     template <>                                     \
  5.     struct typename_of<type> {                      \
  6.         constexpr static const char* value = #type; \
  7.     }
  8.  
  9. //
  10. template < typename >
  11. struct typename_of;
  12.  
  13. MAKE_TYPE_NAME( int );
  14. MAKE_TYPE_NAME( double );
  15. MAKE_TYPE_NAME( int(double) );
  16. MAKE_TYPE_NAME( int(int,double) );
  17. MAKE_TYPE_NAME( int(*)(double) );
  18. MAKE_TYPE_NAME( int[10] );
  19. MAKE_TYPE_NAME( int(*)[10] );
  20. MAKE_TYPE_NAME( int(*[10])(double) );
  21.  
  22.  
  23. //
  24. template < typename T >
  25. void foo()
  26. {
  27.     std::cout << typename_of<T>::value << std::endl;
  28. }
  29.  
  30.  
  31. int main() { 
  32.  
  33.     foo<int>();
  34.     foo<double>();
  35.  
  36.     foo<int(double)>();
  37.     foo<int(int,double)>();
  38.     foo<int(*)(double)>();
  39.  
  40.     foo<int[10]>();
  41.     foo<int(*)[10]>();
  42.  
  43.     foo<int(*[10])(double)>();
  44. }
  45.  
Success #stdin #stdout 0s 2896KB
comments (?)
stdin 
Standard input is empty
stdout 
int
double
int(double)
int(int,double)
int(*)(double)
int[10]
int(*)[10]
int(*[10])(double)
https://ideone.com/40kaLl
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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