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01:06 eli: tzhuang: Get a nightly build, install the new xrepl, then use the ,require-reloadable command (short alias: ,rr).
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01:12 dsrguru: is there a way to check if a character has an arbitrary unicode property?
01:20 dsrguru: I'm trying to programmatically determine if a character is a Chinese character
01:20 dsrguru: i.e. if it has the unified_ideograph property in unicode
01:22 dsrguru: so basically I'm looking for the equivalent of has-property in CL-UNICODE
01:34 jonrafkind: does having a property just mean it lies within some unicode range?
01:35 dsrguru: no
01:35 dsrguru: but chinese characters probably lie within 4E00 to 9FCB
01:36 dsrguru: actually, I could be wrong about property not simply denoting range
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01:42 dsrguru: all right I guess I'll just check to see if char->integer is in the range [4e00, 9fcb]
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03:09 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/pguDSe
03:09 racket: [racket/master] Fixed a macro stepper bug: can't use zero? on syntax span, as it can be #f. - Carl Eastlund
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08:27 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/opAkiM
08:27 racket: [racket/master] For lack of a colon, unit tests were failed. - Stevie Strickland
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10:13 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/qgzXaN
10:13 racket: [racket/master] cocoa: fix image paste - Matthew Flatt
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10:46 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/nHqNGv
10:46 racket: [racket/master] fix `get-slides-as-picts' to record margin with picts - Matthew Flatt
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10:56 lisppaste: clklein pasted "Macro stepper steps" at http://paste.lisp.org/display/123357
10:57 clklein: Why does the macro stepper only show one step for the program above?
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10:59 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/pAejlr
10:59 racket: [racket/master] win32: fix `is-maximized' in `frame%' - Matthew Flatt
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11:24 racket: [racket] plt pushed 16 new commits to release: http://bit.ly/n79idm
11:24 racket: [racket/release] documented error reporting functions - Matthias Felleisen
11:24 racket: [racket/release] adjusted expected error messages to accommodate Stephen's change - Matthias Felleisen
11:24 racket: [racket/release] macro-stepper: disable taint display until correct - Ryan Culpepper
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11:29 racket: [racket] plt pushed 6 new commits to release: http://bit.ly/pCIz7O
11:29 racket: [racket/release] Manually constructed patch from Robby: fixes the executable problem. - Eli Barzilay
11:29 racket: [racket/release] fix `enter!' to set module source name - Matthew Flatt
11:29 racket: [racket/release] fix `get-module-path' and associated exception - Matthew Flatt
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11:40 racket: [racket/release] Rename `prompt-shown' -> `zero-column!', and use it only in the - Eli Barzilay
11:40 racket: [racket/release] Use (banner) instead of a fixed "Welcome to Racket" in the More tutorial - Eli Barzilay
11:40 racket: [racket/release] Typo in the `errortrace' language description. - Eli Barzilay
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13:01 racket: [racket] plt pushed 1 new commit to master: http://bit.ly/o2ccxr
13:01 racket: [racket/master] use #%module-begin for honu modules so top level expressions get printed - Jon Rafkind
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13:03 racket: [racket/master] Fixes the (cons an image empty) error message - Guillaume Marceau
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13:26 stamourv: clklein: Did you disable macro hiding?
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13:53 clklein: stamourv: It was on custom, which is the default IIRC. I have to disable "Hide Racket syntax" and "Hide library syntax" to see additional steps.
14:06 Daemmerung: eli: three years ago, you wrote in mail to plt-scheme, "supplying translation functions to a cpointer type is questionable."  Do you still believe that?  I have an application where I'd like to use both pointer tagging (to track is-a relations) and returning a struct in the c->scheme translation (for handling finalization, along with the case where a client wants to invoke that dtor explicitly for its effect.
14:07 Daemmerung: Specifically, these are COM vtables.  I want automatic finalization for security, I want explicit finalization so that external servers of those vtables shut down in an orderly manner.  Does this ring any bogosity alarms?
14:07 eli: Daemmerung: And you can't just create a new cpointer type and then use a pointer to that?
14:08 eli: (The chances of getting any bogosity alarms right now is close to zero, it's all swapped out ATM.)
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14:09 Daemmerung: Pretty sure that I need that private struct, for its fields.  One field keeps the actual _pointer; finalizer checks to see whether that field's already been #f'd before calling Release on it itself.
14:10 Daemmerung: It's belt and suspenders, but the lifetime of an external running server depends on that server having no more object instances running.  Well behaved client code will explicitly Release objects that it no longer needs.
14:11 Daemmerung: Anyway, stay swapped.  I'll try it and see if I explode in a shower of showy sparks.
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14:13 eli: ok
14:14 stamourv: clklein: I usually just disable macro hiding altogether.
14:14 stamourv: I've gotten used to digesting raw expanded syntax.
14:14 clklein: stamourv: You are a machine.
14:15 stamourv: You're thinking of rudybot.
14:16 clklein: maybe
14:30 mithos28: samth or stamourv: is there a reason that the Promise type is not like the Box type but is instead a struct?
14:41 samth: mithos28: i'm having trouble remembering why i did that
14:43 mithos28: if you think there was a reason, I can see leaving it, but otherwise it seems like a weird special case
14:46 mithos28: samth: also should (let () (struct: foo ()) 2) work?
14:51 carleastlund: clklein, That may be an issue with the new internal-definition expansion.  I know Ryan only just got the macro stepper working with that at all.  Like Vincent, I usually turn off all macro hiding, but then that's pretty much necessary for most uses of local-expand.
14:51 samth: mithos28: no, it shouldn't work
14:51 carleastlund: clklein, er, wait, those aren't internal definitions.  So I dunno.
14:51 samth: the problem with that is that structs are generative, but modeling that statically is hard
14:52 mithos28: samth: ok, but it should give a sane error message then, right?
14:52 samth: yes, it should
14:53 mithos28: ok, i'll see if I can figure out how to do that after getting the repl struct bug fixed
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15:19 racket: [racket] plt pushed 2 new commits to master: http://bit.ly/nODQiT
15:19 racket: [racket/master] Remove redundant precision-loss messages. - Vincent St-Amour
15:19 racket: [racket/master] Fix test to not be dependent on floating-point printing. - Vincent St-Amour
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15:30 perl-programmer: I'm making some tests with the apply function in racket, and I was wondering if it was possible to apply the apply function
15:31 perl-programmer: something like: (apply apply '(+ 1 2 3))
15:32 perl-programmer: (this is just an exercise to see if I understand apply correctly)
15:32 perl-programmer: any ideas?
15:33 jonrafkind: you can do double apply's but its a headache..
15:37 perl-programmer: when I do (apply apply x) I would expect to apply the "apply" function to x... I just don't know how to represent + '(1 2 3) in the place of x
15:38 clklein: perl-programmer: (apply apply '(+ 1 2 3)) means (apply '+ 1 2 3)
15:39 clklein: which isn't what you want in two ways. First, '+ is not a function. Second, apply needs to get a list as its last argument, but it's getting 3.
15:39 perl-programmer: I see...
15:40 clklein: Replacing '(+ 1 2 3) with (list + 1 2 3) solves the first problem.
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15:41 clklein: (apply apply (list + 1 2 3)) == (apply + 1 2 3)
15:41 clklein: To solve the second, you need to change (list + 1 2 3) so that the right-hand side ends up with a list.
15:42 perl-programmer: ah
15:42 perl-programmer: (apply apply (list + '(1 2 3)))
15:42 perl-programmer: :)
15:42 clklein: yep!
15:42 perl-programmer: it worked!
15:42 perl-programmer: thanks! :)
15:42 clklein: np
15:45 samth: mithos28: working on your pull requests now
16:06 perl-programmer: I'm trying to understand the difference between '(+ 1 2 3) and (list + 1 2 3)...
16:07 perl-programmer: (begin (define x 1) (list x 2 3)) => returns '(1 2 3) as I would expect
16:07 perl-programmer: but (begin (define x +) (list x 2 3)) => returns '(#<procedure:+> 2 3)
16:08 clklein: perl-programmer: (list x 2 3) means "construct the list containing elements x (here, defined to be the procedure +), 2, and 3"
16:09 clklein: err, maybe that's not your confusion...
16:10 clklein: I think you're confused about quote (the thingy you type as an apostrophe). There are a couple rules to learn.
16:11 clklein: 1. quote of a number is the same as that number. For example, '3 = 3.
16:11 clklein: 2. quote of an identifier is a symbol. For example, '+ a symbol, not the + function.
16:12 clklein: 3. quote of a parenthesized thing is a list, with quotes on the elements. For example, '(+ 1 2 3) is (list '+ '1 '2 '3), which is (list '+ 1 2 3)
16:12 perl-programmer: ah... I think that's my mistake
16:13 perl-programmer: now I understand! thanks again!!!
16:13 clklein: np
16:26 perl-programmer: well, I'm leaving now... thanks again! and bye :)
16:26 clklein: bye :)
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16:40 racket: [racket] plt pushed 2 new commits to master: http://bit.ly/oBpVI0
16:40 racket: [racket/master] XREPL tests. - Eli Barzilay
16:40 racket: [racket/master] Improve macro stepper output, and some more ,stx outputs. - Eli Barzilay
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16:50 racket: [racket/master] Fixed types for path operations. Closes PR12057. - Eric Dobson
16:50 racket: [racket/master] Fixed TR contracts to be more/less strict - Eric Dobson
16:50 racket: [racket/master] Switched name field in struct type to identifier. Closes PR 11728. - Eric Dobson
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16:57 racket: [racket/release] Fixes the (cons an image empty) error message - Guillaume Marceau
16:57 racket: [racket/release] XREPL tests. - Eli Barzilay
16:57 racket: [racket/release] Improve macro stepper output, and some more ,stx outputs. - Eli Barzilay
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17:04 racket: [racket/release] Revert "Hook XREPL into a few places where `readline' and `enter!' are mentioned." - Eli Barzilay
17:04 racket: [racket/release] Remove xrepl from the release branch. - Eli Barzilay
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17:05 racket: [racket/master] Typo in comment - Eli Barzilay
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17:06 jonrafkind: why are there 3 pushes missing between 23083 and 23086?
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17:06 racket: [racket/master] Pass the correct number of arguments to `display-size'.  Closes PR 12062. - Sam Tobin-Hochstadt
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17:06 jonrafkind: well 2 pushes :p
17:06 jonrafkind: oh i guess because they were on the release branch
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17:18 racket: [racket/master] adjust the size-pref frame mixin to track the position of the frame in a multi-monitor sensitive way - Robby Findler
17:18 racket: [racket/master] add some detail about bullet and o-bullet to slideshow docs - Robby Findler
17:18 racket: [racket/master] change autowrapping preference default - Robby Findler
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17:29 racket: [racket/master] fix optimizer bug related to `case-lambda' at module level - Matthew Flatt
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17:30 racket: [racket/release] change autowrapping preference default - Robby Findler
17:30 racket: [racket/release] fix optimizer bug related to `case-lambda' at module level - Matthew Flatt
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