[Haskell] Haskell [x] and x notation - as-pattern example
lemming at henning-thielemann.de
Wed Apr 3 11:15:23 CEST 2013
On Wed, 3 Apr 2013, Angus Comber wrote:
> I am reading Learn you a Haskell for great good and on page 40 - as-patterns.
This question is certainly better for the beginners list:
In your case
x :: Char
xs :: [Char]
[x] :: Char
That is, the brackets create a list from the single character x. This way
it provides the list type as required by (++).
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