[racket-dev] check-match?

I think I've successfully sent a thingie to you:

https://github.com/plt/racket/pull/171

Let me know if I Did It Wrong.  This is the first time I've clicked
the "Pull Request" button on Github.

On Mon, Nov 19, 2012 at 10:12 PM, Joe Gibbs Politz <joe at cs.brown.edu> wrote:
> Gotcha.  match-pred can be a separate thing.
>
> check-match can also let you use the identifiers bound in the match with an
> optional third argument, which relies on more than match-pred anyway.
> That's what I'm doing.
>
>
> On Mon, Nov 19, 2012 at 9:30 PM, Robby Findler <robby at eecs.northwestern.edu>
> wrote:
>>
>> I think it is better to have a check-match since that way people are
>> more likely to find it.
>>
>> Robby
>>
>> On Mon, Nov 19, 2012 at 7:56 PM, Joe Gibbs Politz <joe at cs.brown.edu>
>> wrote:
>> >>  (? P) => (lambda (x) (match x [P true] [_ false]))
>> >
>> > I like this quite a bit.  It wouldn't be crazy to add it as
>> > match-pred(icate) right next to match-lambda, match-let, and friends
>> >
>> > (http://docs.racket-lang.org/reference/match.html?q=match&q=match-pred#(form._((lib._racket/match..rkt)._match-lambda))).
>> >
>> > Then, for rackunit, it's just up to how much we like writing
>> >
>> > (check-match foo P)
>> >
>> > vs.
>> >
>> > (check-pred (match-pred P) foo)
>> >
>> > Both seem handy to me.
>> >
>> > _________________________
>> >   Racket Developers list:
>> >   http://lists.racket-lang.org/dev
>> >
>
>