Hi,
sorry my english is not the best :(
2007/11/5, gitulyar [EMAIL PROTECTED]:
Please help me. I'm new in Haskell programming, but wrote some things in
Scheme. I make so function:
fib 1 = 1
fib 2 = 2
fib n = fib (n-1) + fib (n-2)
And when I call fib 30 it works about 5 seconds. As for me
2007/7/4, Michael Vanier [EMAIL PROTECTED]:
That's cool -- good point. takeWhile is also trivially defined in terms of
foldr:
takeWhile p = foldr (\x r - if p x then x:r else []) []
Can you do dropWhile in terms of foldr? I don't see how.
I 'm very bad in english, sorry.
Here is a
