[Haskell-cafe] take the keywords from a string
sarakenedy at gmail.com
Sat Jun 17 21:13:01 EDT 2006
OK, thank you.
On 6/17/06, Neil Mitchell <ndmitchell at gmail.com> wrote:
> On 6/18/06, Sara Kenedy <sarakenedy at gmail.com> wrote:
> > Sorry, I am not clear at some point in your answer:
> > 1) The function
> > lex :: String -> [(String,String)]
> > and
> > filter :: (a -> Bool) -> [a] -> [a]
> > So, I did not see how filter can use the list of tuple string of lex.
> You can write a function lexList, of type String -> [String], by
> repeatedly calling lex - its not too hard. Once you have this the
> filter will work.
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