[Haskell-cafe] isSpace

[Brent Yorgey]

On Dec 4, 2007 1:29 PM, Ryan Bloor <ryanbloor at hotmail.com> wrote:

> HI
>
> I will try and explain it better.
> I am meaning to write a function that takes a string, "     apple" and
> eliminates the spaces at the start ONLY. called........ removeSpace ::
> String -> String
>
> I decided to use the function 'dropWhile' and another one 'isSpace' in the
> 'removeSpace' function.
>
>  removeSpace:: String -> String
>  removeSpace a = case dropWhile isSpace a of
>                                  "" ->
>


I am not sure why you think you need to do a case analysis here.  Think
about what 'dropWhile isSpace' does.

-Brent
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