[Haskell-beginners] More than one way to skin a cat question - repeat

[Benjamin Edwards]

(:) is O(1), (++) is O(n). Try and implement (++) and it should be easy to
see why.
On 11 Apr 2013 10:44, "Angus Comber" <anguscomber at gmail.com> wrote:

> LYAH beginner on page 55.
>
> What I try to do is see the heading of a section, eg repeat function and
> then try to come up with my own version before looking at books
> implementation.
>
> Here is my implementation:
>
> repeat' :: a -> [a]
> repeat' x = [x] ++ repeat' x
>
> Here is books:
>
> repeat' :: a -> [a]
> repeat' x = x:repeat' x
>
> Mine appears to work.  Is mine just as good?  Are there problems with my
> way?  Is books way more idiomatic Haskell?
>
> I want to learn the best approaches hence my question.
>
>
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