Posted By

browny on 11/11/10


Tagged

String numeric


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Convert numeric type to String


 / Published in: C++
 

  1. #include <string>
  2. #include <sstream>
  3. #include <iostream>
  4.  
  5. template <class T>
  6. std::string to_string(T t, std::ios_base & (*f)(std::ios_base&))
  7. {
  8. std::ostringstream oss;
  9. oss << f << t;
  10. return oss.str();
  11. }
  12.  
  13. int main()
  14. {
  15. // the second parameter of to_string() should be one of
  16. // std::hex, std::dec or std::oct
  17. std::cout<<to_string<long>(123456, std::hex)<<std::endl;
  18. std::cout<<to_string<long>(123456, std::oct)<<std::endl;
  19. return 0;
  20. }
  21.  
  22. /* output:
  23. 1e240
  24. 361100
  25. */

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