[Haskell-cafe] Re: Need some help with an infinite list

GüŸnther Schmidt gue.schmidt at web.de
Tue Jun 16 21:20:44 EDT 2009

Hi Tom,

thanks for that.

I remembered reading about that in my earliest haskell days, couldn't 
find it again and couldn't get it right by myself either.


Tom Pledger schrieb:
> GüŸnther Schmidt <gue.schmidt <at> web.de> writes:
>> Hi guys,
>> I'd like to generate an infinite list, like
>> ["a", "b", "c" .. "z", "aa", "ab", "ac" .. "az", "ba", "bb", "bc" .. 
>> "bz", "ca" ...]
> If you're happy to have a "" before the "a", you can do this as a fairly cute
> one-liner in a similar style to this list of Fibonacci numbers.
>     fib = 0:1:[m + n | (m, n) <- zip fib (tail fib)]
> Regards,
> Tom

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