Re: Designing a hashing function in C++

"Igor Tandetnik" <>
Tue, 24 Jun 2008 08:17:25 -0400
"Jack" <> wrote in message

What is the general approach to design a hashing function without

There ain't no such thing. The whole point of a hash function is to
map a large number of possible values to a smaller number of keys.
Since there are more values than keys, you would necessarily have

which means hash functions can be very general? :)

I'm not familiar with the term "general function". I don't understand
this question (nor do I get the joke, assuming it was one as the smiley
seems to indicate).

as I've seen different algorithms to implement a hashing function...
correct me if I am wrong....

How would I know whether or not you have seen different algorithms? If
you say you did, I have no reason to doubt you.
With best wishes,
    Igor Tandetnik

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necessarily a good idea. It is hard to be sure where they are going to
land, and it could be dangerous sitting under them as they fly
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