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template related question

Posted on 2008-10-10
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Last Modified: 2010-04-16
Hi,
How do you generalize this module to work for any integer value instead of 2?

std::string ToBinString(unsigned long val, int ndigits ){      
      const std::bitset<2> bs(val); //Generalize this - use any integer instead of 2
      const std::string s(bs.to_string());
      return s;
}

Thank you.
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Question by:kk8
2 Comments
 
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trinitrotoluene earned 150 total points
ID: 22689639
Check the following for usage info
http://www.cplusplus.com/doc/tutorial/templates.html
http://www.iis.sinica.edu.tw/~kathy/vcstl/templates.htm


Your code can be rewritten as follows:




template <class T>
 
std::string ToBinString(unsigned long val, int ndigits ){      
      const std::bitset<T> bs(val);
      const std::string s(bs.to_string());
      return s;
}

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Author Comment

by:kk8
ID: 22691054
Thanks for the code. I think you meant

template <size_t T>

instead of

template <class T>

Did not realize i could use size_t as a template, silly me.
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