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

[GüŸnther Schmidt]

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.

Günther


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