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  1. template <int N>
  2. struct CopyHelper {
  3.     void copy (char *dst, char const *src)
  4.     {
  5.         *dst = *src;
  6.         CopyHelper<(N - 1)>::copy(dst + 1, src + 1);
  7.     }
  8. };
  9.  
  10. template <>
  11. struct CopyHelper<0> {
  12.     void copy (char *dst, char const *src)
  13.     {
  14.     }
  15. };
  16.  
  17. template <int N>
  18. void copy (void *dst, void const *src)
  19. {
  20.     return CopyHelper<N>::copy((char *)dst, (char const *)src);
  21. }
  22.  
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https://ideone.com/AxmM7O
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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