<< 04-01-2017 >>
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02:22:20def-pri-pubI could use a little clarification on how dynamic distpatch works in Nim. http://forum.nim-lang.org/t/2698
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02:42:32ftsfdef-pri-pub, i believe so, since you've defiend a as type Animal (the same is the case with c++)
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05:13:35def-pri-pubwin 2
05:13:43def-pri-pub(ignore that please)
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06:48:08Varriount|MobileSomeone might want to mention Nim here: https://news.ycombinator.com/item?id=13312484
06:48:50Varriount|MobileI lack an active account. >_<
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08:38:26gokrCommented this, suggesting Nim: http://blog.ntpsec.org/2017/01/03/getting-past-c.html
08:38:52gokrIt's on HN too, tons of comments, no mention of Nim AFAICT.
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09:25:19euantordom96: Delving back a bit in regards to your comment about WebKit being the best approach for desktop apps (eg: Electron), have you seen this: https://blog.xinhong.me/post/sublime-text-vs-vscode-vs-atom-performance-dec-2016/
09:26:01euantorBoth Atom and Visual Studio Code use Electron and both are dog slow and hog memory in comparison to Sublime Text or TextEdit
09:30:59gokreuantor: They are definitely hogs, no doubt about it. But... VSCode is actually darn nice. I really like it, and it has a nice Nim extension too :)
09:31:23euantorYep, it's what I use to write Nim code as it has by far the best plugin
09:31:40euantorThe Nim plugin + indent rainbows + editorconfig make VS Code a really nice editor for Nim
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09:59:56hohlerdeis the vscode nim plugin better than the one for atom?
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10:09:59euantorI've not tried the one for atom
10:21:00dom96does the vs code plugin support nimsuggest?
10:23:26euantoryes
10:32:48gokrdom96: VSCode is actually darn slick. Like for example "Peek at definition" etc, which "inlines" a view of a definition etc. And the git support is also really neat.
10:33:17gokrIt still baffles me that it's MS :)
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11:06:17chemist69gokr: Even as a convinced Linux user, I use VS Code as main editor, that's how good it is ;.)
11:06:33gokrI agree, same here.
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11:31:31euantorAny ideas how I might handle wrapping a C sruct that has members with "-" in their name?
11:31:54Araqthere is no such thing.
11:32:00euantorI'm attempting to wrap libnotify: https://developer.gnome.org/libnotify/0.7/NotifyNotification.html#NotifyNotification--app-name
11:32:12AraqC identifiers cannot have '-' in their names.
11:32:33euantorHm, so what are they referring to in the above link?
11:32:43Araq"properties"
11:32:57euantorGreat, so that's something else entirely
11:33:02Araqyes.
11:33:54euantorCheers
11:33:57Araqmost likely something like setprop("app-name", "value")
11:34:03Araqgetprop("app-name")
11:34:38euantorYeah, I'm just trying to work out how to mirror that
11:34:57Araqthe string literals stay the same
11:35:04yglukhovwow, forum notifications have finally got a link to the thread!
11:35:23Araqyglukhov: and new users are moderated
11:35:37Araqmeaning you won't ever get any spam. hopefully.
11:36:23Araqand the new data model supports admins and moderators
11:36:27yglukhovcool! i can be a moderator in case you need any
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11:50:59cheatfateAraq, but looks like latest modifications made 1.50s to get first page http://forum.nim-lang.org
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11:52:56Araqcheatfate: hmmm so dom96 was right and I should create some indexes for the new queries :P
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11:54:38dom96:P
11:56:45krux02Araq: what does the ``dynlib`` pragma for export do? As far as I know there is no way to not make a function accessable from outside when the name of the function is known, and the name is already fixed with exportc.
11:58:21Araqon windows it needs __declspec(dllexport) iirc
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12:36:42cheatfateAraq, are you able to edit my forum nickname as you promised last year? :)
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14:00:58Araqcheatfate: good question
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15:00:42subsetparkHey there, I'm having some confusion with the Python FFI and Nim.
15:01:39subsetparkI'm able to set up a FFI with ctypes that accepts an openArray of objects perfectly, but it returns an array of floats and I'm not sure what the combination of types on the nim and ctypes side will get the correct values. Treating it like a C array of doubles gets me nonsenical results
15:03:32subsetparkas a starting point, I currently have `c_double * 3` on the Python side and `array[0..2, cdouble]` on the Nim side.
15:05:03Araqsubsetpark: can't work, C's array are defective
15:05:15Araqyou can wrap it in an object/struct though
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15:09:06subsetparkoh, good to know!
15:09:40subsetparkAraq: is this sort of information documented somewhere?
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15:10:09krux02subsetpark yes, when you want to return an array you need to return it as a struct: struct FooResut{double arr[3];};
15:10:36krux02subsetpark: it is knowledge you get when you learn C
15:11:18subsetparkkrux02: I'm talking about calling nim from python... I think you're talking in the other direction?
15:11:25krux02but most tutorials don't tell you "C array types are defective" they tell you arrays and pointers are the same, which is obviously wrong
15:12:12krux02oh yea, I have little knowledge about python, but I know that the bridge is the C code generator
15:12:58Araqsubsetpark: ctypes likely inherited C's semantics.
15:13:07krux02sorry I should not give you misleading information, I never used Python FFI
15:13:12Araqnote that Nim does support returning arrays.
15:13:49AraqNim's code generator knows about C's defective arrays and works around their limitations
15:14:16subsetparkAraq: I think that's a fair guess. So you're saying (and I haven't written C in >10 years) that just generally speaking, when writing C, you need to wrap arrays in structs in order to return them?
15:14:34Araqyes.
15:15:25subsetparkGot it, that's fair.
15:16:01subsetparkhttps://www.irccloud.com/pastebin/QVFjmxH5/
15:16:05subsetparkSomething like that?
15:17:02krux02you are not writing C there, you are writing Nim there
15:17:20subsetparkThat's correct :)
15:17:27subsetparkThis is nim that is called by an FFI
15:17:51Araqthe Python FFI "declaration" needs to be s{d[3]}
15:18:15Araqor whatever the primitive syntax for this looks like
15:18:33Araqthe Nim side can do without the object wrapper
15:20:27subsetparkOh, interesting. So return the array on the nim side, assume a struct on the FFI side
15:20:50Araqthat should work for 3 doubles, yes
15:21:00Araqbut in general you need to watch out for alignments too
15:21:42Araqoh wait, Nim transforms the array return type into a hidden pointer :-)
15:21:42subsetparkYes, that does work perfectly. What do you mean by 'watch out for alignments'?
15:22:25Araqoh well. better use pointers explicitly
15:23:00FromGitter<andreaferretti> also useful: https://github.com/jboy/nim-pymod
15:23:16FromGitter<andreaferretti> it is a little limited in what type it handles
15:23:26FromGitter<andreaferretti> but it generates all the nim <-> python glue for you
15:23:42subsetparkyes, andreaferretti - I started with that, but I found it a bit limiting
15:24:12krux02is the nim-mode (for emacs) currently maintained by anyone?
15:24:36krux02I made an issue end of November, and no reply to that until now.
15:26:43Araqkrux02: reactormonk is responsible for it, I think
15:27:14reactormonkI haven't written any elisp in the last few months...
15:27:44krux02I know writing Nim is more fun
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15:28:29krux02maybe at some point I am able to contribute, too.
15:28:56krux02I am now a bit more familiar with emacs, and things don't feel uncomfortable anymore
15:31:55krux02Araq: is there a symbol for thismodule by now in Nim?
15:33:02krux02reactormonk: This issue here https://github.com/nim-lang/nim-mode/issues/147 is creating some false error reports in my code base, and I think it could be an easy fix
15:33:32Araqkrux02: everybody uses the instantionInfo hack
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15:40:29krux02Araq: but that is only giving me the filename of the module, the problem I had was that for some reason in nim-mode flycheck does not the correct filename, and therefore creates errors when I use the name of the current file as a symbol
15:41:29krux02if a symbol for the current module would exist, these errors would disapper. That would not solve the bug in nim-mode, but it would make the bug non relevant to me.
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15:45:13Araqso instead of foo.x you want to be able to write thisModule.x ?
15:45:20Araqso it's a symbol, not a string?
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15:57:46krux02Araq: yes
16:06:44reactormonkkrux02, didn't do the flycheck.
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18:15:57dom96https://news.ycombinator.com/item?id=13319904
18:16:29dom96looks like a true compiled Python is here
18:17:31dom96although no C extensions is a huge limitation.
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21:36:01*pafmaf is away (see ya)
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21:58:06Araqpafmaf: welcome back :P
21:58:25pafmafhi, sorry, IRC issues :(
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22:01:48gokrTrying to get ESR to look at Nim :) At least he responded to my comment about it.
22:02:02AraqESR?
22:02:07gokrEric Raymond
22:02:21Araqoh that gun lover :P
22:02:54def-pri-pubwait, is that the bazar guy?
22:03:08gokryeah
22:03:10gokrhttps://blog.ntpsec.org/2017/01/03/getting-past-c.html
22:03:19dom96gokr: awesome
22:03:38gokrHe had narrowed it down to Rust or Go - and I tried to get him to consider Nim at least :)
22:03:54gokrBut he seems to have dismissed Nim due to small community size so far.
22:06:40*bjz quit (Read error: Connection reset by peer)
22:06:47gokrHmmm, wait ... weird. If you use http instead of https, you end up with a different set of comments: http://blog.ntpsec.org/2017/01/03/getting-past-c.html
22:09:28gokrSidenote: Was fiddling with Spry today, messing with scoping etc - and realized my lexical scopes were fubar ;) Oops.
22:14:41gokrHad to throw in a link to this writeup which I found was a gem: https://news.ycombinator.com/item?id=9050114
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23:29:33def-pri-pubquick question: When I do an `import` or an `include` does the nim compiler give preferance to what's in my current directory over what in the .nimble/pkgs folder?
23:30:06dom96current directory has preference
23:30:58def-pri-pubOkay, thanks.
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