c++: Format number with commas? -

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I want to type in a method that will take an integer and std :: string this integer comma Is formatted with.

Example Announcement: 

  std :: string FormatWithCommas (long value);   
 Example Usage:  
  std :: string result = FormatWithCommas (7800); Std :: string result2 = FormatWithCommas (5100100); Std :: string result3 = FormatWithCommas (201234567890); // result = "7,800" // result 2 = "5,100,100" // result 3 = "201,234,567,890"   
 C ++ method of formatting a number  string  
 (The bonus will also have to handle  double  s).   
 
 
 Experiment with  
  #include & lt; Iomanip & gt; #include & lt; Locale & gt; Template & lt; Class T & gt; Std :: string FormatWithCommas (T value) {std :: stringstream ss; Ss.imbue (std :: location ("")); SS & lt; & Lt; Std :: Fixed & lt; & Lt; value; Return ss.str ();  Disclaimer:  Portability can be a problem and you should probably see which location is used when  ""  Is passed

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