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  1. #include <iostream>
  2.  
  3. template < typename T, T b, unsigned int e >
  4. struct pow : std::integral_constant< decltype(b*1), b * pow<T,b,e-1>::value > {} ;
  5.  
  6. template < typename T, T b >
  7. struct pow<T,b,0> : std::integral_constant< decltype(b*1), 1 > {} ;
  8.  
  9. int main()
  10. {
  11.     std::cout << pow< char, 'd', 3 >::value << '\n' ;
  12. }
  13.  
Success #stdin #stdout 0s 3296KB
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Standard input is empty
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1000000
https://ideone.com/oU9MRg
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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