<< 09-02-2020 >>
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01:25:35FromDiscord_<Elegant Beef> Is this still the only method for composition in nim?
01:25:35FromDiscord_<Elegant Beef> https://openmymind.net/Interfaces-In-Nim/
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01:33:27leorize!repo interfaced
01:33:30disbothttps://github.com/andreaferretti/interfaced -- 9interfaced: 11 15 21⭐ 4🍴 & 29 more...
01:34:49leorize!repo protocoled
01:34:52disbothttps://github.com/b3liever/protocoled -- 9protocoled: 11Interface macro for nim 15 17⭐ 0🍴 7& 25 more...
01:34:59leorize@Elegant Beef: there you go
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01:40:26FromDiscord_<Rika> Concepts are kinda interface-y no?
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01:52:00ftsfkinda
01:52:16ftsfi'm sure there's a bunch of differences, but they feel pretty interfacey to me
01:59:19FromDiscord_<Elegant Beef> Thanks
02:02:14FromDiscord_<Elegant Beef> Got the docs for concepts?
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02:04:10ftsfmmm they seem to be missing from the manual!
02:04:22FromDiscord_<Elegant Beef> That's what i thought
02:04:27FromDiscord_<Elegant Beef> Also couldnt find anything for impl either
02:05:27Jjp137the docs are in the experimental part of the manual: https://nim-lang.org/docs/manual_experimental.html#concepts
02:06:00FromDiscord_<Elegant Beef> Ok, thanks
02:06:12ftsfooh didn't know about that page
02:07:31FromDiscord_<Elegant Beef> Ah so seems concepts are just T.Method, so basically interfaces
02:07:38FromDiscord_<Elegant Beef> Ah so seems concepts are just T.MethodName, so basically interfaces
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02:11:56ftsfhttps://github.com/nim-lang/Nim/issues/1019#issuecomment-38201498 mentions some methods you can use for emulating varadic generics, anyone know where i can find examples of these methods?
02:11:57disbot➥ RFC: Variadic Generics [$50]
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02:17:39FromDiscord_<Elegant Beef> So with this basic thing what's the proper thing to do?
02:17:40FromDiscord_<Elegant Beef> https://play.nim-lang.org/#ix=2bav
02:18:19FromDiscord_<Elegant Beef> Secondly would it be possible to also "implement" IMoveable
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02:31:02leorizenote that concepts are compile-time generic types
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03:02:50FromDiscord_<Winton> Breve Introducción Nim: https://youtu.be/xWMG_1karfM
03:05:32FromDiscord_<treeform> what https://nim-lang.org/docs/strformat.html does not support commas such as 1,234,567.89 ?
03:06:32disrupteklocale-dependent.
03:06:56FromDiscord_<treeform> well yeah, but still there is only , and .
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03:14:36FromDiscord_<Rika> @Elegant Beef if you wanna enforce a type to conform to a concept, do "doAssert typ is cncpt"
03:14:45FromDiscord_<Rika> In the body of your program or something
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03:17:23leorizeor just take the concept as the parameter
03:18:07FromDiscord_<Rika> That too if you want to make the proc generic for the concept
03:18:10FromDiscord_<Elegant Beef> Uhh, yes i totally understand, but for my friend in the back of the class?
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03:19:43FromDiscord_<Rika> I don't think you can make a seq of a certain concept
03:20:14FromDiscord_<Elegant Beef> So then how would you store a dynamic list of objects that implement this concept?
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03:21:05leorizeconcept is a compile-time construct
03:21:22FromDiscord_<Elegant Beef> So it's useless to me
03:21:40leorizeuse the macros that I posted earlier for runtime constructs
03:22:49FromDiscord_<Elegant Beef> Well ill try it
03:23:07FromDiscord_<Elegant Beef> Concepts looked like what i wanted but i guess not since they dont exist at runtime
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04:59:50ftsfis there a way to read compileTime data at runtime?
05:00:23ftsfi created a {.compileTime.} seq and i'd like to be able to read it at runtime
05:00:37ftsfbut when i read it at runtime it's empty
05:01:37ftsffrom manual "compileTime variables are available at runtime too. This simplifies certain idioms where variables are filled at compile-time (for example, lookup tables) but accessed at runtime:
05:01:37ftsf"
05:01:48ftsfit does seem to be available, but is empty
05:03:39FromGitter<Varriount> ftsf: what about trying it with an object or array?
05:05:48FromDiscord_<Elegant Beef> So i did try protocoled and the `toInterface` proc seemed to be borked, although manually casting to worked, but i could not seem to get it back from the interface
05:06:04ftsfyeah, still zero, array is all zeros, int is zeroed
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05:16:28leorizeit's a bug then
05:19:21ftsfhttps://play.nim-lang.org/#ix=2bb5
05:19:44ftsfit works reading the compileTime var in the main block, but once it's inside a loop it's zeroed
05:20:59leorizethat's a bug for sure
05:22:03ftsfmmm, can reproduce it with the example from the manual just by adding a loop around the assert
05:22:07ftsfi'll file an issue
05:33:04ftsfhttps://github.com/nim-lang/Nim/issues/13375
05:33:06disbot➥ Accessing compileTime variable at runtime returns zeroed data. ; snippet at 12https://play.nim-lang.org/#ix=2bba
05:35:01ftsfhmm wonder if there's a way to workaround this for now
05:47:20ftsfaha, this seems to be the same issue
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08:32:24FromGitter<Varriount> ftsf: What about (as a workaround) serializing the object to a string and assigning to a constant via a macro?
08:32:37FromGitter<Varriount> Or just assigning a copy of the object to a macro
08:32:44ftsfmmm i've got a workaround for now
08:32:56ftsfseems like it's all working without having to do compileTime
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09:15:02FromGitter<Varriount> ftsf: So it affects loops? Not everything
09:15:04FromGitter<Varriount> ?
09:15:24ftsfno, just loops are runtime only, seems to affect anything after any runtime code
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09:44:44FromGitter<Varriount> ftsf: If you're still around, what does the resulting C code look like?
09:45:03ftsfahh i dunno.. it's not very readable to me
09:52:10FromGitter<Varriount> https://gist.github.com/Varriount/b93c845f0632ca2d6b6099f7443a356d
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10:00:37FromGitter<Varriount> ftsf: Do you get a segmentation fault?
10:00:52FromGitter<Varriount> Because I do
10:01:44ftsfnope, https://github.com/nim-lang/Nim/issues/13375 is reproducable on playground, gets an index out of bounds error
10:01:45disbot➥ Accessing compileTime variable at runtime returns zeroed data. ; snippet at 12https://play.nim-lang.org/#ix=2bba
10:02:50FromGitter<Varriount> Ah, ok
10:02:54FromGitter<Varriount> That would cause it
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10:03:18ftsfprior to 1.0.0 it doesn't compile as compileTime behaviour seems to have changed then
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11:27:03FromGitter<Varriount> ftsf: It doesn't look like you're actually using the variable at compile time though, just generating code that references it.
11:28:03FromGitter<Varriount> Compile time usage would be modifying the sequence inside the macro, outside the quote block.
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11:42:06FromDiscord_<mratsim> compiletime var crossing to runtime boundaries are broken
11:42:23FromDiscord_<mratsim> I'm not aware of an example that worked
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11:52:47FromGitter<kristianmandrup> Is there any way I can achieve this with Nim?
11:52:57FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e3ff299ecfa4461c04cc607]
11:53:35FromGitter<kristianmandrup> Essentially trying to bind the generated var name `x` to the imported `x$$`
11:53:55FromGitter<kristianmandrup> What the above generates... ⏎ ⏎ ```var object_id_51437 = [0]; ⏎ import { x as x$$ } from './aba'``` [https://gitter.im/nim-lang/Nim?at=5e3ff2d31d23aa47aa032a08]
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11:55:42FromGitter<kristianmandrup> Is this sort of macro only available for `proc`? a pity
11:57:22FromGitter<kristianmandrup> Also, Nim should support some kind of "at top" pragma, such as `{.emitTop: "import { x as x$$ } from './aba'" .}`
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12:02:02lqdev[m]I think emit supports some directives for where the generated code should be placed. let me check
12:02:28FromGitter<kristianmandrup> I found this
12:02:41FromGitter<kristianmandrup> For a toplevel emit statement the section where in the generated C/C++ file ⏎ the code should be emitted can be influenced via the ⏎ prefixes ``/*TYPESECTION*/`` or ``/*VARSECTION*/`` or ``/*INCLUDESECTION*/``: ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e3ff4e155b6b04bf6a00217]
12:04:17FromGitter<kristianmandrup> Then I get
12:04:29FromGitter<kristianmandrup> ```var object_id_51437 = [0]; ⏎ /*TYPESECTION*/import { x as x$$ } from './aba'``` [https://gitter.im/nim-lang/Nim?at=5e3ff54c55b6b04bf6a002f1]
12:04:53FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e3ff565df1153705e24a9c9]
12:06:03FromGitter<kristianmandrup> Also, what is the `nodecl` pragma used in some places?
12:06:54FromGitter<kristianmandrup> `lfNoDecl, # do not declare it in C`
12:06:56lqdev[m]it marks that the thing it's attached to should not generate any code.
12:07:27lqdev[m]also I think that INCLUDESECTION could work better for you
12:08:07FromGitter<kristianmandrup> The ``noDecl`` pragma can be applied to almost any symbol (variable, proc, ⏎ type, etc.) and is sometimes useful for interoperability with C: ⏎ It tells Nim that it should not generate a declaration for the symbol in ⏎ the C code. For example: ⏎ ... [https://gitter.im/nim-lang/Nim?at=5e3ff62755b6b04bf6a003fb]
12:08:43FromGitter<kristianmandrup> The header pragma sounds like it would be ideal, but likely also works for C code at present
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12:10:11FromGitter<kristianmandrup> using include section, same result
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12:10:16FromGitter<kristianmandrup> ```var object_id_51437 = [0]; ⏎ /*INCLUDESECTION*/import { x as x$$ } from './aba'``` [https://gitter.im/nim-lang/Nim?at=5e3ff6a83716b919ba0934f7]
12:11:06FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e3ff6da63c15921f46ae7c6]
12:12:10FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e3ff71a3716b919ba0935b3]
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12:29:04FromGitter<kristianmandrup> I've raised this issue to address it: https://github.com/nim-lang/Nim/issues/13376
12:29:06disbot➥ Make emit pragma work as expected for JS target with sections ; snippet at 12https://play.nim-lang.org/#ix=2bcp
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12:33:17FromGitter<kristianmandrup> I found this forum thread on ES module support: https://forum.nim-lang.org/t/3755#26047
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12:33:32FromGitter<kristianmandrup> Why has no effort been made to add this since Nov 2018?
12:39:31FromGitter<kristianmandrup> Looks like there is sth here: https://github.com/zacharycarter/nes
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12:46:37ftsfare there any good tools for debugging invalid memory usage in nim (on windows)? i'm doing something wrong and writing somewhere i shouldn't
12:49:29Araqtried Dr.Memory?
12:49:41ftsfi did, it crashed
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12:51:31ftsfahh, works when i remove the SDL stuff
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13:59:05FromGitter<kristianmandrup> anyone knows what this mean?
13:59:07FromGitter<kristianmandrup> `template/generic instantiation of `newSeq` from here`
13:59:18FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e40103637545d247d2ba07a]
13:59:23ftsfread the next lines for context
13:59:38FromGitter<kristianmandrup> `nim-1.0.6/lib/system.nim(997, 10) Warning: Cannot prove that 'result' is initialized. This will become a compile time error in the future. [ProveInit]`
14:00:13FromGitter<kristianmandrup> https://play.nim-lang.org/#ix=2bcV
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14:20:52stefantalpalaruWhere is the nim.cfg syntax documented?
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14:27:58stefantalpalaruMaybe here? https://nim-lang.org/docs/parsecfg.html
14:28:27stefantalpalaruBut I don't see "@" being mentioned.
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14:55:45FromGitter<kristianmandrup> what is the right way to do null checks? `isNull`?
14:56:00FromGitter<kristianmandrup> or `if aliasNameArg != null` ?
14:57:14stefantalpalaruHow come "--import:foo" in a top-level nim.cfg or 'switch("import", "foo")' in a config.nims gives me the error "undeclared identifier: 'copyMem'"?
14:57:44FromGitter<kristianmandrup> ah, I see: `while aa != nil `
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14:58:04stefantalpalaruAre there any other Nim scripts where this import kicks in? "copyMem()" would not be available in nimscript.
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15:06:32FromGitter<deech> With `gc:arc` or `gc:destructors` should I expect clean `valgrind` runs? Currently it detects reachable memory at the end of the program.
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16:09:51disruptekhearts and minds, people! hearts and minds!
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16:15:35leorize@deech: if it's "still reachable" it's not a leak
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16:20:34Araqstefantalpalaru, dunno
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16:20:54Araqimplicit imports are from hell
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17:28:17dadadahttps://itsfoss.com/get-featured-on-its-foss/
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17:28:53dadadamaybe Araq could be interviewed by them ... they seem to get a decent amount of traffic judging by the number of comments
17:29:31dadada"What do we cover?
17:29:33dadadaBasically, anything that interests our readers who are Linux and Open Source lovers."
17:30:43dadadas/Araq/Araq or other main contributors
17:31:46FromDiscord_<Recruit_main_70007> i havent seen the rest of the talks, but i really liked PMunch's one
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17:39:41disruptekwhat's good about the stack?
17:41:22disrupteki'll take my answer off the air, i guess.
17:43:27dadadaI don't even understand your question
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17:43:58dadadasoftware stack? stack vs heap? which stack?
17:44:09disruptekstack vs heap.
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17:45:27disrupteki'm only interested in semantics; pretend that i'm porting the concept of a stack to something that has no such concept.
17:45:36disruptekis it even worth porting? what's it good for?
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17:46:59disruptekall i can come up with is exception unwinds.
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17:57:49Zevvsow how are the floats coming along disruptek
17:58:02Zevvnice mess you got yourself in promising to fix taht
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17:58:27disruptekit's lovely.
17:58:34Zevvare you planning to do a 1-to-1 port from C, or are you actually going to understand all the details?
17:58:53disruptek1-to-1 first. there are a lot of subtleties iirc.
17:59:12disrupteki'm really curious if we can outperform c, too.
17:59:31Zevvyeah. My guess would be to first port the tests to nim and hook al the c code. then replace the c functions bottom up by nim, one by one
17:59:38disrupteklike, i think we could figure out at compile-time whether we'll need to include some of the larger tables. and we can generate them during compilation, of course.
18:00:00Zevvbut I think these tables require bigint to generate
18:00:08Zevvwhich we dont have
18:00:17disrupteki'm doing the tests first, sure, but it's easy to just rewrite the c into nim. i'm about halfway done f2s i think.
18:00:34Zevvshr shl and or not
18:00:46disruptekwe have 128bit in the compiler. should be okay.
18:01:09Zevvbut since performance was the goal of the c impl, I would not hope too much about outperforming that
18:01:21Zevvbut yeah, one can always try
18:01:53disrupteki'm using "performance" to mean the net utility of the module.
18:02:12disrupteki think we can make it easier to use, easier to understand, etc.
18:02:14Zevvthe go implementation is a bit more readable then the c version btw
18:02:29disruptekyeah, but it doesn't port as naively.
18:02:35Zevvnot much to use. f2str and d2str is about the whole API
18:03:01disruptekthere are some architecture things we'll want to figure out.
18:03:39disruptekalso, i know the c version is a little polished versus the paper, so i wanted to start there.
18:03:40Zevvalso it would be cool if this would not be the one and only implemetation in nim to do this, id like to be able to fall back to the libc implementation as well
18:03:45Zevvfor size reasons
18:04:04Zevvhow "polished"?
18:04:08disruptekyeah, that should be trivial. also, there's a size flag you can define to skip the larger tables, etc.
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18:04:57disrupteki'm not aware of bugs in the paper but it's a pretty naive algo there, correct as it may be.
18:05:24Zevvah right. no papers just lie, always use the implementation. it is there for a reason
18:05:58disruptekwell, maybe not a lie per se, but glosses over details that can matter in practice.
18:06:06disruptekread: performance
18:07:23Zevvexactly
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18:10:12disruptekwhen i was trying to use ml for realtime trading, it was a c# runtime and my code was python.
18:10:30disruptekthe overhead was all in f2s, basically.
18:10:53disruptekthere wasn't a c# ryu port then, but i'm not even sure i coulda used it if there was.
18:11:20Zevvyou should just precalculate and hash all double floats at compile time
18:11:28Zevvfor performance, you know
18:11:49disruptekbut anyway, that's when i got interested in ryu. and trying to hack the python<->c# interop is what got be interested in graal, which made me eventually throw it all out and start searching for nim.
18:12:14Zevvand here we are
18:12:42disrupteksomething like that. 😁
18:13:34FromGitter<deech> How do you pass `-d:whatever` flags to the compiler via `nimble`? I tried `nimble ... -d:whatever` with a `when defined(whatever)` flag in the `nimble` file to test but it didnt' work.
18:14:50disruptekdeech: this is the closest i've come to doing that: https://github.com/disruptek/nimph/blob/master/bootstrap.sh#L12
18:14:57disruptekmaybe it helps.
18:18:13FromGitter<deech> Interesting, don't see `passNim` documented anywhere, it didn't work but it's a starting point. Thanks!
18:18:48disruptekyou tried `nimble build -- -d:some -d:options -d:here`?
18:20:02FromGitter<deech> Just tried it with `nimble test -- -d:...` but it didnt' work.
18:20:11FromGitter<deech> I don't have a `build` task.
18:20:28disruptekare you sure you don't want to put this define into a something.nim.cfg file?
18:21:16FromGitter<deech> Maybe, it's a custom flag I want to pass to the build.
18:22:12FromGitter<deech> I'm working on a binding and want a bundled flag will tell the build process to download and compile it locally.
18:23:32FromGitter<deech> I can always manually parse out the command line options but it's kind of a meh option.
18:24:01disrupteki use nimph.nim.cfg for that.
18:24:34disruptekhttps://github.com/disruptek/nimph/blob/master/src/nimph.nim.cfg#L21
18:24:52disruptekymmv 😉
18:25:01shashlickThat works with build not test
18:25:07shashlickUse a cfg file for tests
18:25:39disrupteki'm moving away from cfg files for tests, as i don't want a nim.cfg anywhere (for pm reasons) and i don't want to write a .cfg for every test input.
18:25:54FromGitter<deech> Will a `.cfg` flag setting in a dependency trickle down or do you have to live with one version of the build per install.
18:26:09disruptekwhat?
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18:27:09disrupteki dunno how nimble works. nimph's local deps trickle down by default but can be overridden in the dependencies.
18:27:26FromGitter<deech> So like if I depended on `nimph` as a library and I defined, idk, `gitErrorsAreFatal` in the dependency's `.cfg` file is there a way to get `nimph` to build with that toggled.
18:27:43FromGitter<deech> Yeah ok, `nimph` souunds nicer.
18:28:12disruptekwell, if you use nimph with global deps, you'll get more nimble-like behavior, i guess.
18:28:54disruptekie. assuming that the deps aren't below the app itself. nimph's behavior is down to the nim compiler; whatever it enables, nimph enables.
18:30:16disruptekbtw, you /can/ use local deps with nimble. it's just a little more work. but the nimph bootstrap shows you how to do that.
18:31:11shashlickJust put the cfg in the tests dir
18:32:17shashlickIt will only apply to binaries in that directory
18:32:30disruptekleorize: why does NimTypeOf move my cursor?
18:32:55shashlickAnd if you have a test.nim.cfg it will be used only for that test
18:33:59shashlickAlternatively just create a single test which calls your real tests with whatever flags in code
18:34:19shashlickOr write a custom task in nimble
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18:47:59rayman22201@Zevv @disruptek what is Ryu? What madness are you up to today? Lol
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18:49:06disrupteki think the needed-libraries thread might like to a talk or two. fun to watch.
19:02:41Araqis it too late to give 'nimph' a better name?
19:02:51disruptekwhat do you have in mind?
19:03:35Araqnismart
19:03:55disrupteko.O
19:04:20rayman22201Shop smart, shop S Mart 😝
19:04:50narimiranN is m-art
19:04:58disrupteky'know, nimph sounds like `nimf`. not `nim pee aiche`.
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19:05:37Araqwhat does 'nimf' mean?
19:06:00shashlickAraq - most of your must haves are done on choosenim
19:06:16shashlickCan you please check and see what remains
19:06:17FromDiscord_<Recruit_main_70007> important question, are dll imports broken in windows??
19:06:17shashlickCan you please check and see what remains
19:06:27FromGitter<zetashift> nimf is slang for nymphy!?
19:06:30disrupteknymph: n 1: (classical mythology) a minor nature goddess usually depicted as a beautiful maiden; "the ancient Greeks believed that nymphs inhabited forests and bodies of water"
19:06:31FromGitter<zetashift> nympho*
19:06:39FromDiscord_<Recruit_main_70007> the rosetta code example doesnt work
19:06:54FromGitter<zetashift> link?
19:06:57disruptek2: a larva of an insect with incomplete metamorphosis (as the dragonfly or mayfly)
19:07:02FromDiscord_<Recruit_main_70007> https://rosettacode.org/wiki/Call_a_function_in_a_shared_library#Nim
19:07:04disruptek3: a voluptuously beautiful young woman [syn: {nymph}, {houri}]
19:07:31FromDiscord_<Recruit_main_70007> i obv change .so to .dll
19:08:15Araqdisruptek, ah thanks for the explanation
19:08:20Araqtoo subtle for me
19:08:30Araqbut now I can see the name's point
19:08:40disruptekyeah, i thought it might help.
19:08:46AraqRecruit_main_7007: no, they are not.
19:08:48Araqshashlick, ok ...
19:10:31FromGitter<zetashift> What's the error you get?
19:10:46FromGitter<zetashift> and don't you have to specify the dll with a compiler switch?
19:10:54FromDiscord_<Recruit_main_70007> araq, then whats happening? im sorry, this is probably an stupid error, but i just cant see it
19:12:12FromGitter<zetashift> Recruit_main_70007 what's the error :O?
19:12:13shashlickShare some snippet for us to check
19:12:35FromDiscord_<Recruit_main_70007> could not load xxx.dll
19:12:59shashlickSo are you on windows or Linux
19:13:33FromGitter<zetashift> He was on windows
19:13:50shashlickCheck the arch
19:14:23shashlick32bit vs 64bit
19:15:08FromDiscord_<Recruit_main_70007> how?
19:15:08FromDiscord_<Recruit_main_70007> and how can i set it when compiling?
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19:16:21shashlicknim -v
19:16:29Araqshashlick, very nice, only one point from my wishlist remains:
19:16:36Araqhttps://github.com/dom96/choosenim/issues/12
19:16:36disbot➥ Change the way update works
19:16:52Araqand it's only 3 years old
19:17:02shashlickOk sounds fair
19:17:13shashlickI was planning on adding nightlies support too
19:17:15Araqit's not that important but I do wonder
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19:17:40Araqif choosenim is Nim's official installer, how come it's dom96/choosenim?
19:18:25FromGitter<zetashift> historic reasons?
19:18:32FromDiscord_<Recruit_main_70007> Windows: i386
19:19:28shashlickTime to move it?
19:19:46shashlickRecruit: check the dll arch as well
19:19:50FromGitter<zetashift> and the dll arch Recruit_main_70007?
19:20:16FromDiscord_<Recruit_main_70007> same
19:20:37Araqshashlick, I'm a very resentful guy
19:21:04Araqback then I didn't ask for yet-another-way to install Nim. it's a nightmare for QA
19:21:33Araqand the involved people could also have improved Nimble instead
19:21:49Araqso for now we leave it as dom96/choosenim
19:22:28AraqI'm grateful you improve it but at the same time Nimble needs our love moreso
19:22:38shashlickOk I'm not particularly opinionated so don't mind standing on shoulders to make life better for the community
19:22:55Araqwell it works and now it works better
19:23:11shashlickI've been transitioning out of choosenim and onto nimble in my round Robin
19:23:34Araqso ... how do we get a new choosenim release out ?
19:23:36shashlickSo I can continue with some more choosenim improvements or move on
19:24:17FromGitter<zetashift> is the dll in the same folder?
19:24:24shashlickJust need to update the version and tag
19:24:24shashlickCI builds it for us
19:24:26shashlickDom96 then updates nimlang website etc
19:24:30shashlickChange log as well
19:25:11Araqok, so I don't have to do anything
19:26:12shashlickYes it is quite easy
19:26:23shashlickI don't have site access else could do that too
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19:27:11FromGitter<zetashift> Was the original plan to let nimble also be the installer of Nim?
19:27:15shashlickI have a big nimterop backlog since I'm updating it to use the compiler AST and renderer
19:27:38shashlickBut it's not easy so I'm slacking on that
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19:30:42Araqzetashift: no, definitely not.
19:30:49FromGitter<kristianmandrup> What is the best way to experiment with changes to Nim itself?
19:30:58FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e405df237545d247d2c5beb]
19:31:20Yardanicoclone the repo locally
19:31:21FromGitter<kristianmandrup> Trying to run the Nim test suite (branches of from most recent `master`)
19:31:44Yardanicoclone nim repo, run build_all.sh, and add repo/bin directory to PATH
19:32:03FromGitter<kristianmandrup> yes, I see now
19:32:05FromGitter<kristianmandrup> Assuming that you added Nim's ``bin`` directory to your PATH, you may execute ⏎ the tests using ``./koch tests``. The tests take a while to run, but you ⏎ can run a subset of tests by specifying a category (for example ⏎ ``./koch tests cat async``). [https://gitter.im/nim-lang/Nim?at=5e405e35cd2d737bb069c080]
19:32:51Yardanicoyeah, usually you just test tests which may be affected by your change, we still have a CI after all
19:34:01FromGitter<kristianmandrup> So, sth like: `export NIM_BIN=/Users/kristianmandrup/repos/nim-projects/Nim/bin` then add `NIM_BIN` to my PATH?
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19:34:26Yardanicowell, or just add that dir to your $PATH
19:34:32Yardanicowithout additional variables :)
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19:34:40FromGitter<kristianmandrup> `export PATH=$NIM_BIN:$PATH
19:34:51FromGitter<kristianmandrup> Sure, I like to try and keep it tidy
19:35:12Yardanicoyeah, but make sure it doesn't conflict with nim installed from choosenim or a package manager
19:35:32FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e405f04cd2d737bb069c1f4]
19:35:49FromGitter<kristianmandrup> `Nim/lib/system.nim(207, 11) Error: undeclared identifier: 'is'` ??
19:36:10Araqkristianmandrup: don't use 'master'
19:36:15FromGitter<kristianmandrup> I ran `./build_all.sh` just before
19:36:19Araqnot sure why it's still a thing, master is dead
19:36:20FromGitter<kristianmandrup> oh?
19:36:24FromGitter<kristianmandrup> damn
19:36:31Yardanicothe default branch is devel anyway
19:36:32FromGitter<kristianmandrup> which branch then? `develop`?
19:36:36FromGitter<kristianmandrup> okay
19:39:12shashlickUse choosenim, can set it to a release version or pick a local git dir
19:39:17shashlickSo you can go back and forth
19:39:18FromGitter<kristianmandrup> How best to run `build_all` I tried with sudo, then used chmod, but that made modifications to file detected by git
19:39:29Yardanicowdym?
19:39:34Yardanicojust sh build_all.sh should do the job
19:39:38disruptekdon't overthink it.
19:39:47Yardanicoit won't change git-tracked files
19:39:53FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e40600937545d247d2c60bc]
19:40:18Yardanicosh build_all.sh ?
19:40:25FromGitter<kristianmandrup> what would be the `choosenim` command now that I have set `$NIM_BIN`?
19:40:39FromGitter<kristianmandrup> and is in `$PATH`
19:40:58FromGitter<kristianmandrup> or simply `$ choosenim .` perhaps
19:41:33FromGitter<kristianmandrup> ``` choosenim ~/projects/nim ⏎ Selects the specified Nim installation.``` [https://gitter.im/nim-lang/Nim?at=5e40606dd4daaa26c192d282]
19:41:36FromGitter<kristianmandrup> I would think"
19:42:57FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e4060c1ecfa4461c04dbde3]
19:43:18FromGitter<kristianmandrup> ```choosenim $NIM_HOME ⏎ Switched to Nim (/Users/kristianmandrup/repos/nim-projects/Nim)``` [https://gitter.im/nim-lang/Nim?at=5e4060d6d4daaa26c192d2e0]
19:43:21FromGitter<kristianmandrup> Sweet :)
19:43:53shashlickJust set ~/.nimble/bin to your path and use choosenim to set active Nim
19:43:58shashlickRest is taken care of
19:44:10disrupteki pity the fool.
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19:44:20shashlickWhy sit and mess around with path
19:44:27FromGitter<kristianmandrup> okay, but works now
19:44:31disruptekwhen you get tired of this shit, just git clone Nim and move on with your life.
19:44:31FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e40611f1d23aa47aa042da8]
19:45:17shashlickThat works if you live in devel
19:45:34FromGitter<kristianmandrup> yes, working from my own clone
19:45:36shashlickBut when you start testing 20 Nim versions, choosenim works
19:46:18shashlickAnd that makes sense when you start working on libraries
19:47:05FromGitter<kristianmandrup> Just ran koch tests on devel
19:47:07FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e4061bbc900d747abf4f5bf]
19:47:30Yardanicowell devel is devel for a reason - it can break :P
19:47:39Yardanicoalthough last commit's CI is green
19:48:00FromGitter<kristianmandrup> pulled latest from Nim, same problem
19:49:11FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e4062371d23aa47aa042fd0]
19:49:46Yardanicohttps://github.com/nim-lang/Nim/runs/434535937
19:50:00Yardanicoand https://github.com/nim-lang/Nim/runs/434537825
19:51:13FromGitter<kristianmandrup> no worries, I can just run particular test - I 'd like to test `jsgen` for my case/changes
19:52:02FromGitter<kristianmandrup> I can see there is a `tests/js` folder :)
19:52:55FromGitter<kristianmandrup> test categories?
19:53:26FromGitter<kristianmandrup> "you can run a subset of tests by specifying a category (for example``./koch tests cat async``).`"
19:54:12FromGitter<kristianmandrup> This ⏎ command will compile and run ``testament/tester.nim``, which is the main ⏎ driver of Nim's test suite. You can pass options to the ``test`` command, ⏎ they will be forwarded to the tester. [https://gitter.im/nim-lang/Nim?at=5e406364ecfa4461c04dc3e7]
19:55:01FromGitter<kristianmandrup> No such file `testament/tester.nim` at this point :P
19:55:32FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e4063b345000661fcae7963]
19:56:05FromGitter<kristianmandrup> `./koch tests cat js` seems to run all the tests though
19:57:23FromGitter<kristianmandrup> Been renamed to `testament/testament` clearly ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e40642345000661fcae7aec]
19:58:24Yardanicodid you do "sh build_all.sh" before trying the tests though? and does nim --version output 1.1.1 ?
20:02:51FromGitter<kristianmandrup> Building now... meanwhile `nim --version` gives me `0.20`
20:02:56Yardanicowell that's not right
20:03:16Yardanicotry "which nim"
20:07:02FromGitter<kristianmandrup> ```$ which nim ⏎ /Users/kristianmandrup/repos/nim-projects/Nim/bin/nim``` [https://gitter.im/nim-lang/Nim?at=5e4066661d23aa47aa0439f3]
20:07:16FromGitter<kristianmandrup> Yeah, the 0.20 was my old "direct" install last summer.
20:07:47disruptekare we having fun yet?
20:07:56FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e40669c1d23aa47aa043a6c]
20:08:06FromGitter<kristianmandrup> @disruptek - For sure :)
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20:10:02FromGitter<kristianmandrup> But I should have to build the whole thing for every code change in Nim, right?
20:10:21FromGitter<kristianmandrup> Running all the `js` category tests now :)
20:10:37FromGitter<kristianmandrup> `Used /Users/kristianmandrup/repos/nim-projects/Nim/bin/nim to run the tests. Use --nim to override.` Interesting :)
20:11:53YardanicoWell, you need to recompile the compiler if you do a compiler change, but it's quite fast with debug mode
20:12:42FromGitter<kristianmandrup> how do I recompile the compiler efficiently then?
20:12:47YardanicoSo maybe you would want to test your change on some single file with koch temp c , and then after you're sure it works as you intended, run the tests
20:12:50FromGitter<kristianmandrup> ```var v {.codegenDecl: "console.log(-1); var $2".} = 2 ⏎ echo v``` [https://gitter.im/nim-lang/Nim?at=5e4067c2f3718e705df149ad]
20:13:24FromGitter<kristianmandrup> I see the following. Never seen `codegenDecl` pragma before. Been looking for a way to "steer" output of var declaration to target
20:15:10Zevvrayman22201: ryu is a fast float-to-string algo
20:15:35Zevvthere was this guy who thought to himself "Well, the whole world has been optimizing this for 30 years, let me see if I can do better though"
20:15:43Zevvspoiler: he could
20:17:35disrupteki mean, in fairness, he couldn't really find much evidence of anyone really trying to optimize it, iirc.
20:17:35FromGitter<kristianmandrup> how to I run a single Nim test using koch?
20:20:50rayman22201@zevv fascinating. Thanks 😊
20:22:40FromGitter<kristianmandrup> So I made a minute change in Nim `gen` proc, simply echoing the incoming options
20:23:03FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e406a263716b919ba0a4b5b]
20:23:30FromGitter<kristianmandrup> How do I now ensure this takes effect when I run on mu sandbox example, without rebuilding all of Nim?
20:23:52FromGitter<kristianmandrup> `var x = 2`
20:24:00FromGitter<kristianmandrup> `nim js sandbox/try.nim`
20:25:34FromGitter<kristianmandrup> or does it do incremental builds?
20:26:07disruptek./koch boot -d:danger
20:26:54FromGitter<kristianmandrup> I just tried `build_all` again - builds all from scratch
20:27:59FromDiscord_<clyybber> sup
20:28:12FromGitter<kristianmandrup> ` ./koch boot -d:danger` also seems to build the whole thing :O
20:30:01disruptekoh, i didn't realize you only wanted half a compiler.
20:30:09disrupteksup clyybber
20:30:36FromDiscord_<clyybber> yo dawg, heard you writin ryu?
20:30:57disruptekit has a bug.
20:31:04FromDiscord_<clyybber> oh
20:31:17FromDiscord_<clyybber> nice, I am in the right mood for a hunt
20:31:40Yardanico@kristianmandrup you don't need -d:danger here though since it's for debugging. And also it "builds" the whole thing in Nim and then only recompiles C files which changed
20:31:44FromDiscord_<clyybber> since my tomorrow exam got cancelled due to storm :p
20:32:00Yardanico./koch temp js file.nim
20:37:08FromGitter<kristianmandrup> @Yaranico OK :)
20:38:02FromGitter<kristianmandrup> Anyone have any ideas how/where I can set `options` on `PProc` in Nim?
20:38:24FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e406dc03716b919ba0a5278]
20:38:34FromGitter<kristianmandrup> Currently empty options
20:39:05FromGitter<kristianmandrup> ```Error: arguments can only be given if the '--run' option is selected ⏎ ``` [https://gitter.im/nim-lang/Nim?at=5e406de9ecfa4461c04ddbf4]
20:39:54FromDiscord_<clyybber> disruptek: Whats the bug?
20:39:57FromDiscord_<clyybber> ~motd
20:39:58disbotmotd: 11janet versus fennel... fight!
20:40:29FromGitter<kristianmandrup> `nim js --d:nodejs sandbox/try.nim` options also empty `{}`
20:40:35disruptekthe bug is... it doesn't work.
20:40:47FromDiscord_<clyybber> ah
20:40:57FromDiscord_<clyybber> how did you translate it?
20:41:00FromDiscord_<clyybber> or did you wrap it?
20:41:08disruptekwith my magic hands.
20:41:19FromDiscord_<clyybber> nice
20:41:26FromDiscord_<clyybber> im gonna clone it and see what i can do
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20:42:01disruptekkk, thanks. i'm just looking f2s over now to see if there's anything obvious.
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20:42:23FromGitter<kristianmandrup> Anyone knows the entry point for the Nim js compiler?
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20:42:49FromDiscord_<clyybber> disruptek: Is it really just 97 lines?
20:43:04FromDiscord_<clyybber> or is master outdated?
20:43:41FromGitter<kristianmandrup> only `template config*(p: PProc): ConfigRef = p.module.config` is exported in `jsgen.nim` ?
20:43:43FromGitter<kristianmandrup> And `const JSgenPass* = makePass(myOpen, myProcess, myClose)`
20:43:46disrupteksee f2s branch
20:44:01FromDiscord_<clyybber> aight
20:44:06disruptekoh, i forgot to commit it.
20:44:18disruptekptal now
20:45:15FromDiscord_<clyybber> weird
20:45:26FromDiscord_<clyybber> I'm getting "cannot open file: ryu/common"
20:45:42FromDiscord_<clyybber> argh
20:45:45FromDiscord_<clyybber> u depend on nimble
20:45:48disruptekecho '--path="$config"' > nim.cfg
20:46:01FromDiscord_<clyybber> aight
20:46:10disruptekblame shashlick
20:46:34FromDiscord_<clyybber> **blame**
20:47:11FromDiscord_<clyybber> hey, it compiles
20:47:44FromDiscord_<clyybber> when I run it in changes my path
20:47:46FromDiscord_<clyybber> lol
20:47:52FromDiscord_<clyybber> eh, not my path
20:47:55FromDiscord_<clyybber> my CWD
20:48:12FromGitter<kristianmandrup> Anyone knows how I can print or debug what is in `graph` here? ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e40700c63c15921f46bf23c]
20:48:12disruptekunlikely.
20:48:13shashlickWhat did i do now
20:48:26disruptekshashlick: you made it too easy to use travis.
20:48:34FromDiscord_<clyybber> shame
20:48:37FromGitter<kristianmandrup> `conf` does not have an echo, obviously
20:48:58krux02Do you have a way to download the CI logs to the local machine that doesn't require a browser?
20:49:03shashlickBTW that Travis script, you need to update the link
20:49:11disruptekPRs accepted
20:49:27shashlickYou are pointing to a specific commit instead of the latest gist
20:49:33shashlickWhere all are you using it
20:49:36FromDiscord_<clyybber> krux02: Is probably possible for sourcehut
20:49:41disrupteki'm a wildman
20:49:48FromDiscord_<clyybber> They have a pretty extensive documentation
20:50:05disruptekkrux02: tell me what you want. i have a ticket to add such a feature to nimph.
20:50:29disruptekpersonally, i just want to dump the log in my console.
20:50:53krux02disruptek, well ultimatively I want to work browserless
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20:51:12disruptekshashlick: i was just being a dick. gimme a url and i'll fix things.
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20:51:16krux02meaning the browser is only for reading documentation
20:51:20disruptekkrux02: of course.
20:51:35krux02but answering issues, dealing with PR etc should work all locally.
20:51:43disruptekif you are happy with console dumps, i can help with that.
20:51:46FromDiscord_<sveri> Hi, it's me again trying to get a multi threaded server running together with async.
20:51:46FromDiscord_<sveri> While I can manage to start multiple servers in threads, whenever I run requests against it, only one server responds.
20:51:46FromDiscord_<sveri> This is the code as short as possible: https://pastebin.com/kQegWEjt
20:51:46FromDiscord_<sveri> you can see the proc that creates the server does that in different threads, while the callback proc always runs in the same thread. Any idea why that is?
20:51:55shashlickhttps://gist.github.com/genotrance/fb53504a4fba88bc5201d3783df5c522/raw/travis.sh
20:52:19FromDiscord_<clyybber> krux02: Too late, work on ryu has started :p
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20:52:56krux02clyybber: I am not againt a port of ryu
20:53:06krux02I just don't really see the need to maintain it in the compiler.
20:53:23disruptekagree.
20:53:37FromDiscord_<Recruit_main_70007> ok, i fixed it, i was using a choosenim i had, now it works, thank you!
20:53:46FromDiscord_<clyybber> krux02: Maybe we can start making the compiler depend on "outer" packages
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20:54:00krux02well my PR to increase the precision of floating point numbers when printed got reverted quickly.
20:54:12FromDiscord_<clyybber> yeah
20:54:32FromDiscord_<clyybber> with ryu we can be less verbose but still precise enough
20:54:43krux02yea
20:54:55krux02I think it is a pointless battle here.
20:55:06krux02I am just telling my opinion here.
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20:55:28FromDiscord_<clyybber> sure, your opinion is valued
20:55:45krux02And since I don't get money anymore to work on Nim, I am not implementing solutions anymore that I don't agree on.
20:56:00FromDiscord_<clyybber> understandable
20:56:04FromGitter<kristianmandrup> What is best way to add extra options here?
20:56:07FromGitter<kristianmandrup> ```var p = newProc(oldProc.g, oldProc.module, prc.ast, prc.options)```
20:56:29FromGitter<kristianmandrup> I think it is some kind of set operation?
20:56:36FromDiscord_<clyybber> krux02: Btw, are you working at some university?
20:56:47FromGitter<kristianmandrup> `TOptions* = set[TOption]`
20:56:51krux02clyybber: no I don't
20:57:00krux02I am currently working only on my own project.
20:57:10FromDiscord_<clyybber> oh, what is it?
20:57:11krux02Doesn't produce money though.
20:57:31shashlicksveri asyncCheck not waitFor
20:57:52FromGitter<kristianmandrup> https://nim-lang.org/docs/sets.html
20:58:04krux02Well it is a project with a friend from Aachen, he had this idea for funding OpenSource projects.
20:58:04shashlickWell maybe not
20:58:16FromDiscord_<clyybber> openselery?
20:58:20krux02yes
20:58:29krux02it is very rough yet.
20:58:35FromDiscord_<clyybber> openselery?
20:58:41krux02yes
20:58:43FromDiscord_<clyybber> nice name, I like sellerie
20:58:50disruptekopenselery?
20:59:10krux02yea the name was picked because it was still free, and I like the pun
20:59:20FromDiscord_<sveri> shashlick: then the program ends instantly
20:59:39krux02most open source projects have shitty names that nobody can remember. That one is easy to remember because of the pun
20:59:58disruptekahh, like oliver.
21:00:03shashlickYa that's not right
21:00:12FromDiscord_<clyybber> krux02: btw, has the storm hit you yet?
21:00:21FromGitter<kristianmandrup> Have yet to find a good Nim tutorial on sets
21:00:34krux02clyybber: Well kind of.
21:00:41krux02I had higher expectations.
21:00:54FromDiscord_<clyybber> damnit
21:00:59FromDiscord_<clyybber> i was begging for havoc
21:01:01krux02I stayed home because of the storm, and then it was just very windy
21:01:21krux02but it was nice to get fresh air in my living room.
21:01:25FromDiscord_<clyybber> haha
21:02:36krux02Does anyone from you have a job offer for me?
21:03:03FromGitter<kristianmandrup> Is this valid `var p = newProc(oldProc.g, oldProc.module, prc.ast, prc.options + {optSections)`
21:03:18krux02I would like to get payed to develop in Nim. but I can also do Go, Scala, C++, emacs-lisp (:P) etc
21:03:24FromGitter<kristianmandrup> if `optSections` is part of `TOption` for set[TOptions]
21:04:22FromDiscord_<clyybber> krux02: maybe status is hiring
21:04:42FromDiscord_<clyybber> (i don't know if they are, but they are the first thing that comes to mind for nim jobs)
21:05:26FromGitter<kristianmandrup> `prc.options + optSections` ?? where `options*: TOptions` and `TOption` contains ` optSections` as a flag/option
21:05:30krux02kristianmandrup: a set in Nim is basically just an array of bits. And ~{0,1,7}~ means noting more than bit 0, 1 and 7 are one, the rest is zero.
21:06:18FromGitter<kristianmandrup> so how do I add a bit to it? normally would just be + then
21:06:32FromGitter<kristianmandrup> bit flag, like xor in the old days I believe
21:06:39krux02there is `incl` proc for it
21:07:08krux02I think you can just add two sets togething with +
21:07:46krux02there is also the `*` operator which does a bitwise multiplication if that makes senes.
21:07:48FromGitter<kristianmandrup> I get `undeclared identifier`
21:07:56FromDiscord_<clyybber> krux02: I think instead of changing stringification procs to take `var string`, we should do views/lent slices
21:08:01krux02myset.incl myFlag
21:08:08FromDiscord_<clyybber> that should get rid of the unneccessary copying afaict
21:08:19FromGitter<kristianmandrup> So I need to import `TOptions` or `TOption` somehow?
21:08:38disruptek* for sets does intersection.
21:08:45krux02sets in nim are a typesafe version of the flags in C.
21:09:11FromGitter<kristianmandrup> In `ast.nim` `options*: TOptions` is exported
21:09:21krux02you don't need to manually bitshift anymore etc
21:09:22FromDiscord_<clyybber> kristianmandrup: You can also do someSet + {someElem} I think
21:10:51krux02no you don't need to import TOption or TOptions
21:11:07krux02you need to import the module, then you have everything from the module in scope.
21:11:50krux02clyybber: what do you mean with views/lent slices? How does that help?
21:12:08FromDiscord_<clyybber> disruptek: Something is eating the stacktraces, I don't see where it the oob errors come from
21:12:19FromGitter<kristianmandrup> turned out there were multiple `TOption` type defs. Added it to wrong one
21:12:41krux02kristian: what are you working on?
21:12:47FromDiscord_<clyybber> krux02: I mean, if we can alias/borrow slices of strings instead of copying
21:13:08FromDiscord_<clyybber> I think hes working on javascript emit improvements? right?
21:15:16FromGitter<kristianmandrup> @FromDiscord - Exactly
21:15:47FromGitter<kristianmandrup> Got it working :) ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e407683ecfa4461c04debba]
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21:17:52disruptekclyybber: gonna put the table tests in; i found a couple bugs already.
21:18:37FromDiscord_<clyybber> aight
21:18:41krux02clyybber: I don't understand how slices would improve anything here. Slices are more for reading and modifying data, not for appending data with potentional reallocation.
21:19:23FromGitter<kristianmandrup> But I think should be in `genModule`
21:19:24krux02if you use `stream` instead of `var string` you can even get rid of all intermediate string allocations.
21:19:27FromGitter<kristianmandrup> ```proc genModule(p: PProc, n: PNode) = ⏎ var opts = prc.options + {optSections}``` [https://gitter.im/nim-lang/Nim?at=5e40775f19597421f3bc039a]
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21:21:24FromGitter<kristianmandrup> Is there a better way?
21:21:24*marmotini_ joined #nim
21:21:27FromGitter<kristianmandrup> ```proc genModule(p: PProc, n: PNode) = ⏎ p.prc.options = p.prc.options + {optSections}``` [https://gitter.im/nim-lang/Nim?at=5e4077d737545d247d2c925e]
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21:22:09krux02p.prc.options.incl optSections
21:24:05FromGitter<kristianmandrup> yeah, I get illegal storage attempt - since it is a const?
21:24:14FromGitter<kristianmandrup> `SIGSEGV: Illegal storage access. (Attempt to read from nil?)`
21:24:24FromGitter<krux02> that is weird
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21:27:50krux02when I get segfault, I run the compiler in a debugger
21:28:04krux02koch temp
21:28:31krux02nim-gdb --args nim_temp c ...
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21:30:36Zevvwaait het nog dan?
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21:35:23FromDiscord_<clyybber> krux02: When we append we must allocate? How else would we do it?
21:35:32FromDiscord_<clyybber> I mean we could do setLen someEstimate
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21:40:00FromGitter<kristianmandrup> How do I test if a given flag is part of a set (ie. `options`)
21:40:00disruptekbetter would be to know that we may grow by looking at the cfg and then putting ourselves in a possible to realloc.
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21:40:04disruptekflag in options
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21:40:08disrupteks/in a possible/in a position/
21:40:30FromGitter<kristianmandrup> https://nim-lang.org/docs/manual.html#types-set-type `A in B`?
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21:40:55FromGitter<kristianmandrup> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5e407c6737545d247d2c9b0e]
21:40:57FromGitter<kristianmandrup> ???
21:41:43FromGitter<kristianmandrup> does Nim have null coalescing or some more convenient way to do this?
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21:42:07FromDiscord<clyybber> disruptek: Where is copy_special_str?
21:42:21disruptekcommon
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21:42:40FromGitter<kristianmandrup> https://github.com/nim-lang/Nim/issues/13376#issuecomment-583896693
21:42:41disbot➥ Make emit pragma work as expected for JS target with sections ; snippet at 12https://play.nim-lang.org/#ix=2bcp
21:42:43FromDiscord<clyybber> ah, yeah, missed it due to the case
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21:46:38FromDiscord<clyybber> disruptek: I found one issue
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21:48:29FromDiscord<clyybber> chars[index] = '\0'
21:48:34FromDiscord<clyybber> I don't think we need to do that
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21:51:42FromDiscord<clyybber> and then the first few tests start to pass
21:51:46FromDiscord<clyybber> in theory
21:52:47FromDiscord<clyybber> in practice "0E0" == "0E0" fails
21:52:48FromDiscord<clyybber> ...
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21:57:44FromDiscord<clyybber> wth
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22:00:19krux02clyybber: appending doesn't require allocation, it does allocate only when the capacity is too small
22:00:28FromDiscord<clyybber> exaclty
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22:00:59krux02but that doesn't explain how your slice/view solution should work
22:01:28disruptekslice/view is a cursor, basically.
22:01:43krux02but it can't insert
22:01:49disruptekthat's okay.
22:02:02FromDiscord<clyybber> & will do that for us
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22:02:38disruptekclyybber: if you have the version of my code that does a setLen then you can omit the terminator.
22:02:48krux02sorry, but `&` is one of the worst parts of Nim
22:03:02krux02it is the cause of most temporary string allocations
22:03:13FromDiscord<clyybber> thats the point
22:03:22FromDiscord<clyybber> with views/slices we could eliminate those
22:03:40krux02example please
22:03:55krux02because I don't get how views/slices will help here at all.
22:04:04FromDiscord<clyybber> disruptek: Ha, figured out the reason for the failing tests, its because the length of the output is 19, even though its only 3 chars
22:04:19disrupteklovely.
22:04:23krux02especially because the `formatValue` is almost already exactly what we need.
22:04:41FromDiscord<clyybber> krux02: Instead of copying strings around we move pointer+len pairs around
22:04:51FromDiscord<clyybber> If its safe to do
22:04:51disruptekkrux02: a = x + y could be rewriten as x.add y, a <- x
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22:05:39disrupteker, throw a & in there somewhere.
22:06:09FromDiscord<clyybber> hmm, right. When we now its a last read we can do it inplace
22:06:17FromDiscord<clyybber> *last use
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22:06:44disruptekclyybber: i think when this code is converted to nim, some of these tests will magically work.
22:06:55FromDiscord<clyybber> it is converted to nim
22:07:05FromDiscord<clyybber> but the setLen is a bit unneccessary I think
22:07:07disrupteki mean, we're doing things like setting string indices manually, etc.
22:07:11FromDiscord<clyybber> result.setLen 16 I mean
22:07:16FromDiscord<clyybber> disruptek: Ah, sure
22:07:35disrupteki had to assert there was enough memory in there.
22:07:44disrupteki think they default to 200, but who wants to rely upon that?
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22:08:35krux02clyybber: I am personally a fan of `reserve` in std::vector (c++)
22:08:49krux02I asked a long time ago to get the same in nim, but without success.
22:09:14disruptekthat's only the second time i've heard someone ask for that feature.
22:09:35krux02well, I asked for it alreay very early.
22:10:02krux02and I don't understand why the capacity of a seq is a secret that you can't get
22:10:30Araqwell there is newSeqOfCap, that's why
22:11:38disruptek0x96440440 has >32 bits. yet it's a constant in a uint32 array in ryu. what am i missing...
22:11:56disrupteker, it's 32b. i guess something is b0rked.
22:12:39disrupteki guess one has to 'u32 it for some reason.
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22:14:35krux02clyybber: when you write to `dst: var string`, the `len` is the write cursor. And the slice that you are modifding is from `len` to `cap` (cap is internal)
22:16:06krux02disrupteck 0x96440440 has exactly 32 bits
22:16:11disruptekyes.
22:16:27krux02it doesn't fit in i32, but it does fit in u32
22:16:34FromDiscord<clyybber> im really going crazy
22:16:53disruptekbut in an array defined as [3, uint32] i need to specify 'u32 against it for some reason. even when it's in the middle of the array. not so other array members.
22:17:03FromDiscord<clyybber> oh, its nulls not space
22:19:17krux02disruptek, that is because of how literals work I think.
22:19:32disruptekyes, it makes me sad.
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22:20:17disruptekit's because of how literals /don't/ work. 😉
22:24:47FromDiscord<clyybber> disruptek: with this a few tests pass
22:25:18FromDiscord<clyybber> but I don't exactly get why the 16 chars are needed when it appends the 3 anyways
22:26:35FromDiscord<clyybber> http://ix.io/2bg9
22:27:31disrupteki'm not worried about it. all that shit is gonna go away.
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22:47:47disrupteki can only do 128bit stuff in the vm, right?
22:50:58Araqno, but it's in compiler/int128
22:51:12disruptekah, thanks.
22:51:58FromDiscord<clyybber> disruptek: what for?
22:54:20disrupteki need to do some shifts, multiplies, etc.
22:54:41FromDiscord<clyybber> yeah, but why 128
22:54:43FromDiscord<clyybber> bit
22:54:52FromDiscord<clyybber> ryu doesn't use 128 bits either?
22:56:06disruptekno, it uses eg. umul128
22:56:18disrupteki want a nim equivalent.
22:58:03disruptekhigh64 and low64, ya feel me?
22:58:41FromDiscord<clyybber> oh
22:58:42FromDiscord<clyybber> yeye
23:00:09disruptek🙁 ++high1; // overflow into high1
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23:14:31stefantalpalaruIs there something similar to --passC and --passL for passing arguments to "ar" when generating static libraries?
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23:46:11Araqwell Nim doesn't invoke 'ar' at all
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