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01:47 PLT_Notify: racket: master Carl Eastlund * 5582f75 (1 files in 1 dirs): Replaced an outdated reference to syntax-object->datum with syntax->datum. - http://bit.ly/mlWobT
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05:59 EM03: is it ever fair to say that a let is just a easier syntax for a lambda?
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06:41 bremner_: no, I don't think so. For one thing it would be syntax for lambda+application
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07:47 EM03: bremner_: its just a lambda that creates a local definition of the parameters correct?
07:48 bremner_: EM03: a lambda is a function. A let is not. You can implement let using lambda, I agree.
07:49 bremner_: hmm. maybe procedure is better than function here.
07:49 EM03: let is not a procedure?
07:50 bremner_: what happens if you type ((let [(x 1)] x))
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07:51 EM03: does not work bremner_
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07:51 bremner_: that is my point
07:52 EM03: what is let?
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07:53 bremner_: what is if?
07:53 EM03: a procedure?
07:53 bremner_: hmm. if could be a procedure, unlike let,
07:54 EM03: whats it call if its not a procedure?
07:54 bremner_: I don't know what the official terminology is, but I call things like let "special forms"
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08:01 bremner_: "The scheme programming language" just calls let a "syntactic form"
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08:16 EM03: ah
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09:48 _p4bl0: hello :-).
09:49 _p4bl0: I have defined a procedure and I'd like to be able to traverse its s-expression, is that possible with Racket?
09:49 _p4bl0: I'd like something like a procedure->sexp function
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10:35 hkBst: _p4bl0: procedure->sexp seems to be frowned upon in 1-lisp land
10:36 _p4bl0: hkBst: yep I've been told that on #scheme
10:36 _p4bl0: hkBst: thanks!
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11:50 ohwow: So
11:50 ohwow: hello guys
11:50 ohwow: Does Racket currently have real parallelism?
11:50 ohwow: eg: using all cores
11:52 offby1: _p4bl0: I don't think it's even possible in racket.  By the time your program is running, your procedure is just that -- a procedure -- and bears no relation to the code that created it.
11:52 offby1: there _might_ be a way to save the text while you're defining it, and then later retrieve it
11:55 _p4bl0: offby1: actually it seems all modern scheme do it like this
11:55 _p4bl0: offby1: thanks for your anwser :-)
11:55 asumu: ohwow: Take a look at places and futures in the docs.
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11:58 ohwow: oh, so futres are really parallel after all, thanks
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12:11 lucian: ohwow: afaik, they block when called, so just potentially parallel
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12:23 ohwow: oh :(
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12:43 eli: _p4bl0: Do you want this for your *own* functions?  If so, then a macro would be easy.
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12:57 bremner_: eli, jonrafkind: FYI http://packages.debian.org/squeeze-backports/racket
12:58 jonrafkind: nice
13:00 eli: bremner_: Ooh, you split it into core and doc...
13:01 jonrafkind: its been that way for years, afaik
13:07 eli: I thought that bremner_ redid things.
13:07 eli: The picky split thing has been headaching a number of distros.
13:13 bremner_: I split off collects from binaries, that might be what you remember.
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13:33 bremner_: currently I'm crossing my fingers that collects stay architecture independendant, otherwise building on some architectures will become very challenging.
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14:33 PLT_Notify: racket: master Vincent St-Amour * c55c89a (1 files in 1 dirs): Fix format string in check-requires.
14:33 PLT_Notify: racket: master Vincent St-Amour * 2e3e682 (1 files in 1 dirs): Add documentation for check-requires.
14:33 PLT_Notify: racket: master Vincent St-Amour * b39f217 (1 files in 1 dirs): Add show-requires, which is friendlier on the eyes than check-requires.
14:33 PLT_Notify: racket: master Vincent St-Amour * f24f451 (1 files in 1 dirs): Document show-requires.
14:33 PLT_Notify: racket: master commits 5582f75...f24f451 - http://bit.ly/lVeXq0
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15:59 _p4bl0: eli: I don't really *need* it I was just wondering, but I would be interested to see what the macro would look like :-)
16:00 samth: (define-syntax-rule (define-with-source x src-x e) (begin (define x e) (define src-x 'e)))
16:01 _p4bl0: huhu
16:01 _p4bl0: pretty straightforward!
16:01 _p4bl0: thanks ^^
16:04 DT``: _p4bl0, btw, in emacs lisp, non compiled functions *are* lists: (defun f (x) (+ x 2)) (car (cddr (symbol-function 'f))) -> '(+ x 2). You can also modify the source code with setc[ad]r.
16:05 DT``: and things like (funcall (list 'lambda '(x) '(+ x 2)) 3) work.
16:06 bremner_: of course, emacs lisp is not exactly known for performance ;)
16:08 _p4bl0: DT``: great! I'll have some fun with this
16:09 _p4bl0: (as I already said on #scheme, the whole point is a long running troll on Lisp vs Haskell with a friend ^^)
16:10 DT``: for a Lisp vs Haskell troll, just say the magical word: ``macros''.
16:10 bremner_: template haskell rulz!
16:10 bremner_: ok, it doesn't.
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16:12 PLT_Notify: racket: master Vincent St-Amour * fe161a7 (1 files in 1 dirs): List known limitations of with-logging-to-port.
16:12 PLT_Notify: racket: master Vincent St-Amour * 0538f21 (2 files in 2 dirs): Make level a keyword argument for with-logging-to-port.
16:12 PLT_Notify: racket: master Vincent St-Amour * fc705c6 (1 files in 1 dirs): Implement with-logging-to-port in terms of something more general.
16:12 PLT_Notify: racket: master Vincent St-Amour * b86d759 (1 files in 1 dirs): Provide with-intercepted-logging.
16:12 PLT_Notify: racket: master Vincent St-Amour * b71d3cf (1 files in 1 dirs): Fix limitations of with-intercepted-logging.
16:12 PLT_Notify: racket: master Vincent St-Amour * c32efa7 (2 files in 2 dirs): Document with-intercepted-logging.
16:12 PLT_Notify: racket: master commits f24f451...c32efa7 - http://bit.ly/iGnt8z
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16:44 PLT_Notify: racket: master Eli Barzilay * c82d8ce (1 files in 1 dirs): Refactor the error handling code, making it more uniform for all error cases.
16:44 PLT_Notify: racket: master Eli Barzilay * 18d40dc (1 files in 1 dirs): Use `post-impure-port' to submit the bugreport, and check the resulting ...
16:44 PLT_Notify: racket: master commits c32efa7...18d40dc - http://bit.ly/kJgetF
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17:17 eli: _p4bl0: (Instead of what Sam said, I'd probably use a weak hash table.)
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17:41 _p4bl0: eli: if you want to do things right sure, not if the purpose is "can your programming language do THIS?" ;-)
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23:27 em: I really love racket.
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