On Thu, Aug 11, 2011 at 4:42 AM, Marijn <hk...@gentoo.org> wrote:
>
> I like how you show one way of converting a match to an object, and then
> show a better way. What I did not like very much is how the first way is
> really verbose and made me question whether to read on, and in
> retrospect the way using match isn't much less verbose. Wouldn't a
> simple (apply on-action (rest a-match)) work?
Fortunately, `match' provides some features that make this much nicer.
Here's a new version (untested):
(define (parse-irc a-line)
(match a-line
[(regexp action-regexp
(list _ hour minute type msg))
(action hour minute type msg)]
[(regexp chat-regexp
(list _ hour minute who msg))
(chat hour minute who msg)]))
Oh, and I love the original essay, Danny!
--
sam th
sa...@ccs.neu.edu
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