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  1. #include <iostream>
  2.  
  3. namespace meta
  4. {
  5.     template<size_t> struct meta_size_t {};
  6. }
  7.  
  8. namespace ns{
  9.  
  10.     template <size_t N>
  11.     void bar(meta::meta_size_t<N>);
  12.  
  13.     // overload??
  14.     void bar(meta::meta_size_t<1>)
  15.     {
  16.         std::cout << __PRETTY_FUNCTION__ << '\n';
  17.     }
  18.  
  19.     template <size_t N>
  20.     void bar(meta::meta_size_t<N>)
  21.     {
  22.         std::cout << __PRETTY_FUNCTION__ << '\n';
  23.         bar(meta::meta_size_t<N-1>());
  24.     }
  25.  
  26.     template<size_t N>
  27.     void foo()
  28.     {
  29.         bar(meta::meta_size_t<N>());
  30.     }
  31. }
  32.  
  33. int main(void)
  34. {
  35.     ns::foo<5>();
  36.     return 0;
  37. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
Standard input is empty
stdout 
void ns::bar(meta::meta_size_t<N>) [with unsigned int N = 5u]
void ns::bar(meta::meta_size_t<N>) [with unsigned int N = 4u]
void ns::bar(meta::meta_size_t<N>) [with unsigned int N = 3u]
void ns::bar(meta::meta_size_t<N>) [with unsigned int N = 2u]
void ns::bar(meta::meta_size_t<1u>)
https://ideone.com/2OQJ2G
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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