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04:06 dzhus: FrTime demos are somewhat laggy with Racket 5.0 on Linux, what's the problem?
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09:06 samth: Baughn, i think that bug was fixed very recently
09:07 Baughn: I downloaded racket /yesterday/.
09:07 Baughn: So unless you mean in RCS..
09:07 Baughn: Also, do you mean the ++lib being missing one, or..?
09:07 Baughn: (Because having documentation match up with implementation is useful.)
09:16 samth: the ++lib being missing
09:17 samth: and i mean, it was fixed in git a couple days ago
09:18 samth: also, Baughn, you can use 'mzc' instead of 'raco ctool', which doesn't have the bug
09:19 samth: it was fixed on 6/30 in git, so the latest nightly builds have the fix
09:19 Baughn: Aha, thanks
09:25 mije: it would be nice to have in racket the tools to implement this : http://www.artima.com/articles/dci_vision.html
09:27 samth: mije, racket has traits, which is what i think they want
09:28 samth: http://docs.racket-lang.org/reference/trait.html
09:31 mije: that's very true
09:37 mije: i had an objection to the fact that traits are the only feature needed here, but since i can't remember my objection, i'll assume that it's non existent, for the time being
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11:44 jonrafkind: i hate having to reinstall all my planet packages each time i update racket
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11:47 askhader: I'd have scripted this by now.
11:48 samth: don't they auto-install when you rerun the relevant files?
11:50 jonrafkind: its my vim plugin that doesn't reinstall
11:50 samth: why not
11:50 samth: it should re-install when you re-run your vimrc, right?
11:51 jonrafkind: at what point would I "run" my vimrc?
11:51 samth: when you start vim, right?
11:52 askhader: right
11:52 jonrafkind: sorry, my vim plugin for drscheme
11:52 samth: oh, ok
11:52 askhader: lol
11:52 samth: you should bring that up at plt day
11:52 jonrafkind: the answer is going to be "you should fix it" at which point I will groan and roll my eyes
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12:12 dzhus: what does "tight cycle in dataflow graph" exception in FrTime mean?
12:13 samth: dzhus, i have no idea
12:13 samth: i'd ask on the ML
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18:51 abusead: I want to create multiple definitions of the form (define field (struct-field a-struct)), is there an elegant way to achieve this?
18:52 jonrafkind: (begin (define blah) ...)
18:52 jonrafkind: define's in a begin are spliced into the outer define context
18:52 askhader: But it's still (define foo bar) (define foo bar) (define foo bar)
18:52 (quit) jeapostrophe: Quit: jeapostrophe
18:52 askhader: I want to do something like (define [foo bar] [foo bar] [foo bar])
18:52 jonrafkind: are you two different people?
18:52 askhader: Lol
18:52 askhader: Sorry
18:52 askhader: Caught between machines.
18:52 jonrafkind: oh ok
18:53 askhader: I usually have abusead on my backup server and I just copied the channel list over.
18:53 jonrafkind: im not really following you here, (define (foo1 bar1) (foo2 bar2) (foo3 bar3)) like that?
18:53 askhader: Yes
18:53 jonrafkind: (define-values (foo1 foo2 foo3) (values bar1 bar2 bar3))
18:53 jonrafkind: you could macro-ize that ot be nicer I guess
18:54 askhader: Thanks
18:54 jonrafkind: (define-syntax-rule (define-things (v e) ...) (define-values (v ...) (values e  ...))
18:55 jonrafkind: btw you might want to use match for getting out struct fields
18:55 jonrafkind: (struct foo (a b c))
18:56 jonrafkind: (match some-foo-instance [(struct foo value-a value-b value-c) ...])
18:56 carleastlund: (define-syntax-rule (define-things (v e) ...) (begin (define v e) ...))
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23:53 zx80: hello, I have a problem with the following macro:
23:54 zx80: (define-syntax lambda-r
23:54 zx80: (syntax-rules ()
23:54 zx80: ((_ args exp ...)
23:54 zx80: (lambda args
23:54 zx80: (call-with-current-continuation
23:54 zx80: (lambda (return)
23:55 zx80: exp ...))))))
23:55 zx80: it works when I use the expansion from the macro-stepper
23:56 zx80: but I get this error " reference to undefined identifier: return" when I try using it.