[HN Gopher] Packing a string of digits into an integer quickly
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       Packing a string of digits into an integer quickly
        
       Author : mfiguiere
       Score  : 37 points
       Date   : 2023-07-08 20:46 UTC (2 hours ago)
        
 (HTM) web link (lemire.me)
 (TXT) w3m dump (lemire.me)
        
       | gumby wrote:
       | I don't understand how this can work: there are 15 (or 7 :-)
       | other characters with the same bottom four bits as each digit.
       | How does it distinguish between, say, '4' and 't'? Space and '0'
       | have the same lower four bits: \0!
        
         | jcparkyn wrote:
         | I think the author is only concerned with decimal digits (0-9).
        
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       (page generated 2023-07-08 23:00 UTC)