[Haskell-cafe] take the keywords from a string

[Sara Kenedy]

Thanks, I got it and it run sucessfully now.

On 6/18/06, Jason Dagit <dagit at eecs.oregonstate.edu> wrote:
> On 6/17/06, Sara Kenedy <sarakenedy at gmail.com> wrote:
> [snip]
> >
> > When I try function lisOfString as below, it runs forever (non-stop)
> > although I have the stop criteria for it ??
>
> The patterns are tested on a 'first come first served' basis.  As your
> program executes, it tries the first pattern listed, if it matches
> then the right-hand side of the equation is evaluated.  You do have a
> stop criteria for both functions but it is not evaluating because the
> pattern that comes before it matches.  When using patterns you must
> remember to put the most specific patterns first or else they may
> never be reached.
>
> I hope that helps,
> Jason
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