On Sat, Feb 12, 2011 at 11:00 AM, Robert Clausecker <fuz...@gmail.com> wrote:
> Is there any reason, that one can't find a function that splits a list
> at a seperator in the standard library? I imagined something like this:
>
>
>    splitSeperator :: Eq a => a -> [a] -> [[a]]
>
>    splitSeperator ',' "foo,bar,baz"
>      --> ["foo","bar","baz"]
>
> Or something similar? This is needed so often, even if I can implement
> it in one line, is there any reason why it's not in the libs?

See http://hackage.haskell.org/package/split

The reason it's not in Data.List is because there are a bazillion
different splits one might want (when I was pondering the issue before
Brent released it, I had collected something like 8 different proposed
splits), so no agreement could ever be reached.

-- 
gwern
http://www.gwern.net

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