<< 08-03-2022 >>
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01:20:39FromDiscord<rockcavera> sent a long message, see http://ix.io/3REr
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01:22:33FromDiscord<rockcavera> It is also not necessary to open cmd with msvc paths, because vccexe.exe already searches and finds the compiler.
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01:58:57a12c58hi
01:59:23a12c58what language did you use before you used num?
01:59:27FromDiscord<Elegantbeef> Hello
01:59:32FromDiscord<michaelb> sent a code paste, see https://play.nim-lang.org/#ix=3REC
01:59:34a12c58sorry *nim
01:59:35FromDiscord<Elegantbeef> I used C# before Nim
01:59:43a12c58cool
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01:59:52a12c58i am learning python
02:00:11a12c58can you use nim in place of it?
02:00:44nrds<Prestige99> I used typescript and java mostly
02:00:48FromDiscord<Elegantbeef> Depends on what you're doing, you can do a lot with Nim
02:01:28FromDiscord<michaelb> In reply to @a12c58 "what language did you": mostly a lot of dynamic langs: JavaScript, Clojure, Racket, some Perl and Python, R, ...↵Nim is the first statically typed compiled lang that I've spent a lot of time with
02:01:43FromDiscord<Elegantbeef> It's technically capable but depending on your application you may run into ecosystem issues
02:02:28a12c58okay i understand
02:02:50a12c58are most people from dev ops here?
02:03:23FromDiscord<Elegantbeef> I'm mostly a pretend gamedev
02:04:40FromDiscord<michaelb> not formally, but it's landed on me to do some "dev ops" stuff on various projects given my experience with sysadmin stuff, bash scripting, etc.
02:06:16a12c58@Elegantbeef gamedev is really creative stuff, cool
02:07:03a12c58@michaelb are you part of any open source group?
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02:24:52FromDiscord<Girvo> Hi all 🙂
02:26:35FromDiscord<gibson> In reply to @a12c58 "are most people from": Academics/Science
02:26:54FromDiscord<gibson> (edit) "In reply to @a12c58 "are most people from": Academics/Science ... " added "for myself"
02:27:57FromDiscord<Girvo> @aaa123rc Firmware/IoT service for me
02:28:27FromDiscord<Elegantbeef> Oh girvo's work is related to IoT guess no more help from me 😛
02:28:38FromDiscord<Girvo> Hahaha nothing to do with consumers 😉
02:28:52FromDiscord<Elegantbeef> Ah so no IOT gas ranges 😛
02:29:10FromDiscord<Girvo> Haha definitely not 😂
02:29:31FromDiscord<Girvo> Consumer IoT is basically always a "solution" in search of a problem!
02:30:09FromDiscord<Elegantbeef> As long as you dont want to put a wifi/bluetooth adapter in my dogs we're fine!
02:30:15FromDiscord<Girvo> We're building (well, have built) an end-to-end sensor platform for industrial/health applications. Being used by Dubai's health service to track COVID vaccine temperatures, for example
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02:30:53FromDiscord<Elegantbeef> Yea i see a lot of it iot stuff as just dumbly designed stuff that encourages bad security practices, like having a oven with a wifi adapter
02:31:00FromDiscord<Girvo> Yepppppp
02:31:03FromDiscord<Girvo> Its horrid
02:32:13FromDiscord<Girvo> Though I'll tell you right now: most industrial/commerical IoT stuff is no better security wise... its one of our points of difference! I've implemented CPace key-exchange to allow us to do _real_ security on some seriously embedded platforms 🙂
02:33:13FromDiscord<huantian> when will my covid shot have buzzwords like "zero knowledge"
02:33:40FromDiscord<Elegantbeef> I'm still waiting for my wifi connection to get better so probably never huantian
02:33:40FromDiscord<Girvo> Zero-knowledge 5G NFT-linked COVID shots, lets goooo
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02:59:04NimEventerNew post on r/nim by SpookyFries: Is Nim right for me?, see https://reddit.com/r/nim/comments/t96tmn/is_nim_right_for_me/
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03:25:08FromDiscord<retkid> is there a phantom-JS like thing for nim
03:29:46FromDiscord<retkid> https://github.com/dom96/webdriver
03:29:48FromDiscord<retkid> i found this
03:33:46FromDiscord<retkid> alright I don't like this code, I'm going to fashion my own McGiver solution
03:33:59FromDiscord<retkid> (edit) "McGiver" => "MacGyver"
03:52:53FromDiscord<Rika> ?
03:52:58FromDiscord<Rika> What don’t you like here…
03:55:37FromDiscord<Elegantbeef> Yea what's wrong with the code?
04:00:47FromDiscord<sheldon> https://near.org/blog/near-announces-800-million-in-funding-initiatives-to-support-ecosystem-growth/
04:01:56FromDiscord<sheldon> Good news, we can get through into NEAR core team, and have them allow and try develop in Nim.
04:02:40FromDiscord<Elegantbeef> ' it will be focusing on Decentralized Finance (DeFi) teams' so crypto bros
04:03:20FromDiscord<sheldon> Is there any concern?
04:03:21FromDiscord<Girvo> That webdriver looks pretty good to me: https://github.com/nim-lang/nimforum/blob/7d8417ff97adb646a35dbf93d5e81ae8eaaee148/tests/browsertests/scenario1.nim
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04:04:40FromDiscord<retkid> In reply to @Elegantbeef "' it will be": 😭
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04:13:09FromDiscord<sheldon> Is Nim prohibited to dabble in cryptos?
04:13:38FromDiscord<michaelb> In reply to @a12c58 "<@383034029135364096> are you part": yes, https://github.com/status-im
04:14:10FromDiscord<michaelb> which... I guess makes me a crypto bro of sorts 😛
04:17:18FromDiscord<Elegantbeef> People can use it for whatever they want↵(@sheldon)
04:21:28FromDiscord<sheldon> Great, I might need some community support to have them know and consider Nim.
04:34:56FromDiscord<sheldon> https://media.discordapp.net/attachments/371759389889003532/950612557184516116/unknown.png
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04:59:39FromDiscord<michaelb.eth> In reply to @sheldon "Great, I might need": Status is a large-ish crypto org and has been using Nim for prototyping and production-quality software for several+ years:↵https://github.com/status-im↵The repos that have names starting with "nim-" are Nim projects (obviously) and there are a few others that aren't named like that but are Nim projects nonetheless
05:26:44FromDiscord<haoliang> is there a document about undefined behaviors? which i believe are related to nim compiler's runtime checks.
05:30:15FromDiscord<Elegantbeef> not that i know, but what's the issue?↵(@haoliang)
05:32:43FromDiscord<haoliang> In reply to @Elegantbeef "not that i know,": i recently found that with `--checks:off` nim compiler will not check bounds, `deque.popLast()` will always return 0
05:34:38FromDiscord<Elegantbeef> Ah, perhaps a list needs to be mde
05:34:43FromDiscord<Elegantbeef> made\
05:35:08FromDiscord<Elegantbeef> I mean it's to be expected that "incorrect" code behaves incorrectly
05:36:19FromDiscord<Elegantbeef> sent a code paste, see https://play.nim-lang.org/#ix=3REX
05:37:15FromDiscord<haoliang> i acutally tried this, it always causes a compiler error.
05:37:23FromDiscord<Elegantbeef> No it doesn
05:37:42FromDiscord<haoliang> i was thought that was related to `--rangeChecks`
05:38:46FromDiscord<Elegantbeef> Checks off disables all runtime checks
05:38:59FromDiscord<Elegantbeef> rangechecks falls under that
05:39:26FromDiscord<Elegantbeef> sent a code paste, see https://play.nim-lang.org/#ix=3REY
05:39:52FromDiscord<sheldon> https://gov.near.org/t/dapp-development-in-nim/16381
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05:47:32FromDiscord<haoliang> sent a code paste, see https://play.nim-lang.org/#ix=3RF0
05:48:29FromDiscord<Elegantbeef> Worked on mine, what nim version are you using?
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05:49:17FromDiscord<haoliang> sent a code paste, see https://play.nim-lang.org/#ix=3RF1
05:49:36FromDiscord<Elegantbeef> you're compiling with `--checks:off`?
05:50:23FromDiscord<haoliang> yes
05:50:36FromDiscord<Elegantbeef> Well it works here
05:51:48FromDiscord<haoliang> a quick screenshot https://media.discordapp.net/attachments/371759389889003532/950631904015699978/20220308_135057.jpg
05:52:06FromDiscord<Elegantbeef> You're doing `x = 10`
05:52:11FromDiscord<Elegantbeef> That's checked at compile time not runtime
05:53:16FromDiscord<Eshoe> sent a code paste, see https://paste.rs/bnu
05:54:00FromDiscord<Rika> looks right
05:54:04FromDiscord<haoliang> oh, i see, thank you!
05:54:04FromDiscord<Rika> ah no
05:54:09FromDiscord<Rika> `x: ptr UncheckedArray[cdouble]`
05:55:42FromDiscord<Eshoe> Alright, got it. Thanks.
05:57:09FromDiscord<Eshoe> It's a bit odd, because the function worked both as `x: ptr UncheckedArray[cdouble]` and as `x: UncheckedArray[cdouble]`. Can you tell me why?
05:58:07FromDiscord<Elegantbeef> Damn matrix bridge slowed again
06:00:27FromDiscord<Elegantbeef> An unchecked array is represented as `Type data[]` in C so if it was a stack allocated collection it'd work
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06:00:48FromDiscord<Elegantbeef> If it was heap allocated it probably would not look proper, though i could be wrong
06:01:55FromDiscord<Elegantbeef> I do also think you could use `var cint` and `var cdouble` to make it a bit more idiomatic inside Nim, could be wrong though
06:02:26FromDiscord<Elegantbeef> Assuming you dont want to nil them and just want to mutate the value they hold
06:02:50FromDiscord<Eshoe> All the arguments are pointers to memory locations for memory another (parent) process handles.
06:03:00FromDiscord<Eshoe> (edit) removed "for memory"
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06:03:42FromDiscord<Elegantbeef> Yea i dont know why the unchecked array worked, the var stuff is still "accurate" though
06:04:03FromDiscord<Elegantbeef> If you just want a `cint` in a procedure that is mutable `var cint` should be 100% compatible but make the Nim side programming easier
06:04:13FromDiscord<Elegantbeef> Since a `var` parameter is just a Nim checked pointer
06:04:55FromDiscord<Eshoe> Interesting, I'll give it a go. Thanks.
06:06:02FromDiscord<Elegantbeef> Probably rambling, but that only holds if you want to set the data at the pointer and doesnt help if you want to check the pointer(for instance doing a nil check)
06:06:35FromDiscord<Eshoe> You can assume I do the checks at the parent process level.
06:07:31FromDiscord<Elegantbeef> Then yea seems like it'd make your life easier
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06:12:31FromDiscord<Elegantbeef> Also worth noting you should be able to do `for ind, val in x.toOpenArray(0, xLen):`
06:12:44FromDiscord<Elegantbeef> much cleaner than manually iterating and then indexing the value of the array
06:13:52FromDiscord<Eshoe> Cool. I'll add to my try list, thanks again!
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06:22:43NimEventerNew Nimble package! iterrr - iterate faster. functional style, lazy like, extensible iterator library, see https://github.com/hamidb80/steps
06:26:01FromDiscord<Elegantbeef> @Hamid_Bluri\: `list.filterIt(it mod 2 == 0).mapIt(it 2)` still generates two sequences though, right?
06:27:27FromDiscord<Elegantbeef> Ah nvm i'm dumb
06:36:43FromDiscord<Rika> `while being better at: extensibility`?
06:36:45FromDiscord<Rika> im not sold
06:40:52FromDiscord<Elegantbeef> Hey they made me quickly wrap my chain implementation
06:41:12FromDiscord<Elegantbeef> sent a code paste, see https://paste.rs/Gg6
06:41:35FromDiscord<Elegantbeef> List comprehension eat your heart out!
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06:55:57FromDiscord<Hamid_Bluri> sent a code paste, see https://play.nim-lang.org/#ix=3RF9
06:56:02FromDiscord<Elegantbeef> Yea i got that
06:56:11FromDiscord<Elegantbeef> I realized you were just demonstrating the probably too late
06:56:36FromDiscord<Elegantbeef> I thought you had a magical way to filtering/mapping with macro calls
06:56:45FromDiscord<Hamid_Bluri> LOL
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06:58:38FromDiscord<Hamid_Bluri> In reply to @Rika "`while being better at:": see `istrJoin` in `src/iterrr/reducers.nim`
07:00:45FromDiscord<fbpyr> so, here (https://yewtu.be/watch?v=4o_tmccinds) I learned, that when I compile a staticlib in nim, if I want to use it, the external caller needs to run `NimMain()` first. (still true?)↵if so, is there a way to have a different name for that entrypoint? I would need my entrypoint to be named `plugin_x64_init` (as this is called by the external application, this dll will be for) but still want to make sure, that the necessary nim machinery
07:00:50FromDiscord<Rika> i am still unconvinced
07:01:12FromDiscord<Elegantbeef> With orc/arc it's not required to call `NimMain` unless you have toplevel code
07:01:42FromDiscord<Hamid_Bluri> In reply to @Rika "i am still unconvinced": eventhough with custom idents?
07:01:56FromDiscord<fbpyr> [Elegantbeef](https://matrix.to/#/@elegantbeef:matrix.org)\: ah thank you! so it would suffice to use `{.exportc: "plugin_x64_init".}` with the proc then?
07:01:59FromDiscord<Rika> why does it matter what the idents are called is my opinion?
07:02:04FromDiscord<Rika> thats barely any benefit
07:02:11FromDiscord<fbpyr> or would the name be mangled?
07:02:16FromDiscord<Hamid_Bluri> maybe you wanna iterate over a table
07:02:26FromDiscord<Elegantbeef> Assuming you compile with arc or orc, and dont need any top level statements you should be fine
07:02:43FromDiscord<Hamid_Bluri> sent a code paste, see https://paste.rs/7nl
07:02:43FromDiscord<Elegantbeef> A proc annotated with `exportc` should export with the nim name
07:03:09FromDiscord<fbpyr> great, thank you! [Elegantbeef](https://matrix.to/#/@elegantbeef:matrix.org)
07:03:14FromDiscord<Elegantbeef> No problem
07:03:18FromDiscord<Hamid_Bluri> (edit) "https://play.nim-lang.org/#ix=3RFf" => "https://play.nim-lang.org/#ix=3RFe"
07:03:20FromDiscord<Elegantbeef> If it doesnt work you'll be able to shout at me
07:03:24FromDiscord<Rika> maybe i have no use for these
07:03:26FromDiscord<Rika> its whatever
07:03:35FromDiscord<Hamid_Bluri> 😄
07:03:56FromDiscord<Elegantbeef> Eh i dont know i implemented filter, unpack and map to my chain macro cause i couldnt see a need for anything else operating on a single iterator
07:04:50FromDiscord<Elegantbeef> being able to do `for it in "hello".unpack(a, b).filter(a > 2).map(ord b): it` for instance
07:05:03FromDiscord<Rika> im not a functional diehard so prolly aint the target audience
07:05:12FromDiscord<Elegantbeef> Yea i'm not either
07:05:33FromDiscord<Elegantbeef> I looked at the library and found the syntax and prefixing with `i` tedious
07:05:53FromDiscord<Rika> yes
07:06:16FromDiscord<Elegantbeef> Why do you prefix with `i` anyway?
07:07:14FromDiscord<Elegantbeef> please dont say to disambiguate 😛
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07:07:20FromDiscord<Hamid_Bluri> to not be confusing with `std/sequtils`↵imap => [i]terrr map
07:07:41FromDiscord<Elegantbeef> Ok so for no reason
07:07:51FromDiscord<Hamid_Bluri> kinda 😄
07:08:04FromDiscord<Elegantbeef> Nim has module capabilities to disambiguate do not do this in your code, Nim is not C
07:08:14FromDiscord<Elegantbeef> Atleast that's my view, YMMV
07:08:38FromDiscord<Hamid_Bluri> agreed
07:10:02FromDiscord<Elegantbeef> Still really know about using `><` super obscure and unclear
07:10:22FromDiscord<Elegantbeef> really dont know\
07:10:45FromDiscord<Hamid_Bluri> it's really better than `-->` IMO
07:10:59FromDiscord<Rika> neither is good
07:11:12FromDiscord<Rika> the intent MIGHT be more clear for -->
07:11:20FromDiscord<Rika> i would not have understood >< at all
07:11:44FromDiscord<Elegantbeef> `"hello".pairs.iterWith filter(it[0] mod 2 == 0).map(ord it[1])`
07:12:16FromDiscord<Elegantbeef> I dont know operators are always weird when there isnt a clear intent
07:13:14FromDiscord<Hamid_Bluri> does slice `slicerator` have reducer?
07:13:18FromDiscord<Hamid_Bluri> (edit) "reducer?" => "reducers?"
07:13:32FromDiscord<Elegantbeef> What's a reducer?
07:13:38FromDiscord<Rika> probably a fold
07:14:11FromDiscord<Hamid_Bluri> like `imax` or `iStrJoin`
07:14:38FromDiscord<Elegantbeef> Well chain is the only thing I have that is really like this
07:14:40FromDiscord<Rika> so fold
07:14:43FromDiscord<Elegantbeef> And i only have 3 operations for it so far
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07:16:41FromDiscord<Elegantbeef> I'm not much of a FP programmer so I generally use slicerator to empower imperative code
07:18:00FromDiscord<Elegantbeef> Like i mean i added the `colChain` macro just cause you made me realize i could add it relatively simply
07:19:11FromDiscord<Elegantbeef> My view is that a lot of the time in Nim when you're doing `filter` or `map` you're just going to operate it on afterwards
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07:20:06FromDiscord<Hamid_Bluri> In reply to @Elegantbeef "My view is that": for example?
07:20:22FromDiscord<Hamid_Bluri> i get it
07:20:35FromDiscord<Hamid_Bluri> (edit) "get" => "got"
07:20:42FromDiscord<Elegantbeef> sent a code paste, see https://play.nim-lang.org/#ix=3RFk
07:26:20FromDiscord<Hamid_Bluri> sent a code paste, see https://play.nim-lang.org/#ix=3RFn
07:26:27FromDiscord<Elegantbeef> lol
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07:44:37FromDiscord<Hamid_Bluri> I have doubt whether I should use `do` or `ido` 😄
07:55:48FromDiscord<Rika> Do is a keyword
07:55:53FromDiscord<Rika> I believe
07:56:36FromDiscord<Rika> Actually I didn’t bother looking at the implementation of >< so for all I know it’s prolly an untyped macro
07:56:38FromDiscord<Rika> Whatever
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08:31:01FromDiscord<Elegantbeef> fbpyr i'm scared of the message you're going to unleash upon us, i've seen you start and stop typing a message for like 40 minutes now
08:32:07FromDiscord<Rika> Incoming 2000 character essay
08:32:11FromDiscord<Rika> I’m joking ;;
08:32:31FromDiscord<fbpyr> sent a code paste, see https://paste.rs/VJ5
08:32:42FromDiscord<fbpyr> heheh probably not quite 2000.. 😀
08:32:47FromDiscord<Elegantbeef> And your message spawned confetti
08:32:51FromDiscord<Elegantbeef> 10/10 message
08:34:27FromDiscord<Elegantbeef> `var res = ucon.get_3d_file_name()`
08:34:32FromDiscord<Elegantbeef> the issue is that line
08:35:13FromDiscord<Elegantbeef> `ucon.get3dFileName` is `typedesc[ucon].get3dFileName()`
08:35:13FromDiscord<fbpyr> yes. somehow it seems to expect the UtilController in a different way..
08:35:28FromDiscord<Elegantbeef> It expects an instantiated type
08:35:36FromDiscord<fbpyr> ah ok
08:35:46FromDiscord<fbpyr> makes sense! 😌
08:35:55FromDiscord<Elegantbeef> It's not a different way, it's expecting a `ptr UtilController` but got a `typedesc[ucon]`
08:36:20FromDiscord<fbpyr> so I gave it the abstract class but not an instantiated one.
08:37:14FromDiscord<Elegantbeef> sent a code paste, see https://play.nim-lang.org/#ix=3RFz
08:37:35FromDiscord<fbpyr> cool! will try that - [Elegantbeef](https://matrix.to/#/@elegantbeef:matrix.org) thank you so much!!
08:44:41FromDiscord<Hamid_Bluri> sent a code paste, see https://play.nim-lang.org/#ix=3RFA
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08:48:26FromDiscord<Elegantbeef> I can see why you thanked me now, i've clearly encouraged the bad behaviour of "why not spend time writing a macro"
08:49:27PMunchI mean it is kind of addicting..
08:49:41FromDiscord<Hamid_Bluri> yeah
08:49:48FromDiscord<Elegantbeef> hello pmunch
08:49:51FromDiscord<Hamid_Bluri> i found my self writing macro 50% of the time
08:49:55PMunchHello
08:50:10FromDiscord<Elegantbeef> Speaking of macros, i need more things to add to micros
08:50:41PMunchA README perhaps?
08:50:46FromDiscord<Elegantbeef> lol
08:51:01FromDiscord<Hamid_Bluri> In reply to @Elegantbeef "I can see why": actually, that was kinda saying "thank you" elsewhere
08:52:43FromDiscord<Elegantbeef> only libraries that are supposed to be used get readmes pmunch
08:53:01FromDiscord<Elegantbeef> And then what they get is something unhelpful
08:53:08PMunchHaha :P
08:53:14PMunchmicros looks useful though
08:53:36PMunchBut I still don't get how you are able to create trees without a bunch of type errors..
08:54:01FromDiscord<Elegantbeef> What do you mean?
08:54:12PMunchWell you use distinct types everywhere
08:54:22FromDiscord<Elegantbeef> Yes
08:54:34PMunchHow can you get and set nodes without having to cast to NimNode everywhere?
08:54:39FromDiscord<Elegantbeef> https://github.com/beef331/micros/blob/master/src/micros/nimnodes.nim#L45
08:54:43FromDiscord<Rika> I think you guys are insane
08:54:57FromDiscord<Elegantbeef> I do have to cast to NimNodes everytime
08:54:58PMunchAaaah
08:55:00FromDiscord<Elegantbeef> But only internally
08:55:07PMunchDamn that's pretty clever actually
08:55:20PMunchYou should add one for [] as well
08:55:48FromDiscord<Elegantbeef> Eh i should make it so you never need the raw macros api
08:55:50FromDiscord<Elegantbeef> or hardly ever need it
08:56:02PMunchFair enough
08:56:44PMunchAre you hand-generating all your definitions?
08:56:55FromDiscord<Elegantbeef> How else would you do it?
08:56:59PMunchhttps://github.com/PMunch/macroutils/blob/master/src/macroutils.nim#L530
08:57:05PMunchA macro of course :P
08:57:24FromDiscord<Elegantbeef> I dont see what that solves
08:57:26FromDiscord<Hamid_Bluri> wow
08:57:44PMunchLess typing *shrugs*
08:57:58FromDiscord<Elegantbeef> I need a constructor to a specific NimNode, i cant really do it wildly like that
08:59:10FromDiscord<Elegantbeef> I mean i'm not hand generating all the types https://github.com/beef331/micros/blob/master/src/micros/routines.nim#L16-L35 stuff like this is being done
08:59:41FromDiscord<aph> hi, random but: wats the difference between parseStmt and parseExpr
09:00:25FromDiscord<Elegantbeef> expr expects an expression
09:00:31FromDiscord<Elegantbeef> So something that has a value
09:00:40FromDiscord<aph> ooh
09:00:41FromDiscord<aph> thx!
09:00:49FromDiscord<aph> so i guess stmt stands for statement
09:00:52FromDiscord<aph> (edit) "statement" => "statement?"
09:00:59FromDiscord<Elegantbeef> yep
09:01:04FromDiscord<aph> :)
09:02:54FromDiscord<Elegantbeef> Obviously pmunch if I felt macros could solve a problem I'd use them 😛
09:05:21FromDiscord<Elegantbeef> I should note I am making a higher level API mostly, so most things hopefully wont be similar to the Nim api
09:06:03FromDiscord<Elegantbeef> This stuff existing https://github.com/beef331/micros/blob/master/src/micros/identdefs.nim#L15-L17 kinda supersedes manual creation
09:06:24FromDiscord<Elegantbeef> Yes i need one that takes a NimName
09:07:31FromDiscord<Elegantbeef> Though I might make a DSL for making a nice `of` operator
09:09:18FromDiscord<Elegantbeef> sent a code paste, see https://play.nim-lang.org/#ix=3RFF
09:24:22PMunchHmm, I see
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10:40:45FromDiscord<sOkam!> Is there any real difference between result and return?
10:54:36FromDiscord<Rika> sometimes there is an optimisation that can be done with result but not return
11:07:31FromDiscord<sOkam!> any examples I should care about, or are they generally not very necessary?
11:16:09FromDiscord<Waldecir Santos> So I'd like to create an "query-builder" but I'd like to reuse/extend the NimNode object, my question is what is the "correct" way of extending NimNode adding new kinds ? for exemple I'll need new kinds like nnkCustomSelect and etc
11:16:38FromDiscord<Waldecir Santos> the end goal is to print an `SQL statement` as string.
11:17:01PMunchsOkam, for the most part you don't have to think about it
11:17:27PMunchBut if you're building up an object just to return it at the end it's probably better to just assign to the result variable instead
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11:45:41FromDiscord<Phil> In reply to @sOkam! "any examples I should": Imagine you're building a string over time. Instead of returning a variable with that string you can just consistently do `result.add` , something often relevant e.g. for parsing stuff.
11:45:51FromDiscord<Phil> (edit) "time." => "multiple lines of code."
11:46:04FromDiscord<Phil> (edit) "," => " at the individual spots that add stuff to the string,"
11:47:44PMunchOr even an object with multiple fields
11:48:24PMunchStrings you must remember might reallocate anyways, and the stack-allocated data is only a number and a pointer for ARC and just a pointer for the default GC
11:49:38FromDiscord<System64 ~ Flandre Scarlet> https://github.com/WohlSoft/SDL-Mixer-X/blob/master/include/SDL_mixer.h↵I want to Futhark this, but it uses a ton of headers, will I have trouble?
11:50:19PMunchIf you have a stack-allocated object (i.e. a non-ref object) however with a lot of fields assigning to those fields and building the object in a variable might cause the ending `return` to copy that entire object from the procedures stack frame over to the callers stack frame. But by assigning to result instead it can enable an optimisation where these field assignments would be assigning directly to the object in the callers stack frame.
11:50:54PMunch@System64_~_Flandre_Scarlet, nope shouldn't be a problem
11:52:02PMunchI assume all those headers live in the same folder (probably in the core SDL distribution). In that case simply pass that in with "path" and then tell Futhark to import "SDL_mixer.h" and it should pull in all the required stuff automatically :)
11:52:23FromDiscord<System64 ~ Flandre Scarlet> In reply to @PMunch "@System64_~_Flandre_Scarlet, nope shouldn't be": Ah alright, but the thing is the problem with paths, 'cause of Windows
11:52:36PMunchAh yes..
11:54:50FromDiscord<System64 ~ Flandre Scarlet> And it will be a ton of work if I have to do it manually
11:55:02FromDiscord<sOkam!> talking about that, do nim tools tested in linux work by default on windows?↵_(thinking of things like compiling and nimscript in general, since bash scripting is not fully transferable unless cygwin)_
11:56:33NimEventerNew question by congusbongus: How do I create a mutable reference to an object in another object?, see https://stackoverflow.com/questions/71394618/how-do-i-create-a-mutable-reference-to-an-object-in-another-object
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12:06:06FromDiscord<sOkam!> Can result be aliased to something else?
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12:08:36FromDiscord<sOkam!> sent a code paste, see https://paste.rs/BC3
12:10:27FromDiscord<Rika> Remove the last return, using a return like that is not gonna return result
12:10:46FromDiscord<Rika> Otherwise technically yes, but use addr and not & then r[] = 123
12:11:07FromDiscord<Rika> The usual “this is unsafe” warning by the way
12:16:48PMunchI mean you could do this: https://play.nim-lang.org/#ix=3RGf
12:18:21FromDiscord<Rika> i still think the return at the end doesnt return result, but im not so sure
12:18:33PMunchIt does
12:18:39FromDiscord<Rika> really, why
12:18:44FromDiscord<sOkam!> according to the manual, it says that return is an alias for return result
12:19:01FromDiscord<Rika> i dont ever remember reading that, might be a new addition
12:19:03PMunchSince the proc has return type `int` then a `return` without an int argument will return `result` by default
12:19:29FromDiscord<Rika> i just thought it would return default(T)
12:19:30PMunchBeen like that for quite a while IIRC
12:20:14FromDiscord<sOkam!> @Rika you were right in that specific example though, since the proc has no type 🤔 https://media.discordapp.net/attachments/371759389889003532/950729652270424134/unknown.png
12:21:55FromDiscord<Rika> result doesnt make sense without a type though
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12:58:34PMunchHuh, apparently we have LED-array fidget spinners as merch where I work
12:58:45PMunchSo when you spin them they will show the company took
12:59:00PMunchTook one apart and there's an ARM Cortex-M3 inside
13:08:44FromDiscord<Rika> god DAMN that sounds overkill
13:08:54PMunchYup :P
13:09:00PMunchI wonder if it's programmable
13:11:35FromDiscord<System64 ~ Flandre Scarlet> About Futhark again, is it possible to apply that to an header + C file?
13:12:07FromDiscord<System64 ~ Flandre Scarlet> https://github.com/system64MC/Kurumi-fmcomposer/tree/master/src/fmengine
13:22:24PMunchYes that is what I do in the example
13:22:43PMunchThat static output and compile part is to compile against a C file
13:22:59FromDiscord<System64 ~ Flandre Scarlet> ah alright↵But I'll have trouble with Windows paths again :/
13:23:16PMunchEasier to just switch to Linux at this point :P
13:23:32FromDiscord<System64 ~ Flandre Scarlet> I can't leave Windows "cause of school
13:23:48FromDiscord<System64 ~ Flandre Scarlet> (Visual Studio)
13:24:17FromDiscord<System64 ~ Flandre Scarlet> But what I can eventually do is a Linux VM
13:24:38FromDiscord<System64 ~ Flandre Scarlet> or via WSL
13:24:56FromDiscord<System64 ~ Flandre Scarlet> and then take the binaries
13:25:00FromDiscord<System64 ~ Flandre Scarlet> (edit) "binaries" => "nim files"
13:25:23PMunch"I can't leave Windows "cause of school"" <- Not with that attitude
13:25:31PMunchI'm the only one at work who uses Linux
13:25:40PMunchAnd all the others use Visual Studio
13:25:49PMunchBut I digress
13:25:56PMunchWe should really fix the paths..
13:27:40FromDiscord<System64 ~ Flandre Scarlet> But in fact I want to move to Linux
13:55:32FromDiscord<System64 ~ Flandre Scarlet> In reply to @PMunch "We should really fix": Sadly I don't know how to fix thoses paths
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14:21:22FromDiscord<Bung> @ElegantBeef Script Error: /users/bung/.choosenim/toolchains/nim-1.6.4/lib/pure/os.nim:812:16 undeclared identifier: 'cmpic' , could you help me with this
14:22:22FromDiscord<xflywind> In reply to @Bung "<@!145405730571288577> Script Error: /users/bung/.c": It seems to be a known issue: https://github.com/nim-lang/Nim/issues/17051
14:22:36FromDiscord<xflywind> and https://github.com/beef331/nimscripter/issues/11
14:22:37PMunch@System64_~_Flandre_Scarlet, I think the main problem with these paths is just figuring out how you're supposed to set up paths on Windows with clang
14:22:58PMunchI could certainly look into it, but without a Windows machine to test it on it's a bit of a pain to figure out if I'm on the right track or not
14:23:37PMunchI could of course set up a Windows VM or something, but spending time on that means I can't spend my free-time on more interesting projects..
14:24:11FromDiscord<Bung> In reply to @flywind "It seems to be": yeah, that's right cause
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14:28:36FromDiscord<System64 ~ Flandre Scarlet> In reply to @PMunch "@System64_~_Flandre_Scarlet, I think the": I think Clang is in a good path↵But I think the ``\`` disturbs Futhark, maybe you should escape the ``\`` by doing ``\\`` or something
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14:28:58FromDiscord<System64 ~ Flandre Scarlet> same for spaces, they should be escaped
14:30:10PMunchYeah I know what the core issue is, but testing whether a certain fix works or not would be super annoying
14:30:26FromDiscord<System64 ~ Flandre Scarlet> I understand
14:30:41FromDiscord<System64 ~ Flandre Scarlet> and can it work under WSL? And then I copy the files
14:32:07PMunchWell it can, but then clang will see it as a Linux machine, so if the codebase has any checks for which OS its on you will be generating the Linux version
14:32:29PMunchIt's probably a super easy fix in the syspath and path branches here: https://github.com/PMunch/futhark/blob/master/src/futhark.nim#L428
14:33:05PMunchBasically those paths and -I parts (which is what is handed to opir and on to clang) should be investigated
14:33:47PMunchHmm, I think this might fail on Linux as well if you throw spaces in there
14:34:04PMunchIt's just that people on Linux tend to not use spaces in their paths so I've never run into this issue
14:37:11FromDiscord<System64 ~ Flandre Scarlet> The backslashes are more problematic
14:44:47PMunchUsing strformat, is there a way to print out X characters of a cstring?
14:46:36FromDiscord<Rika> not that i know of
14:56:52PMunchWell this works: http://ix.io/3RGV/nim
14:58:31FromDiscord<Rika> oh huh i forgot custom stuff
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15:52:13FromDiscord<d4rckh> sent a code paste, see https://play.nim-lang.org/#ix=3RHv
15:52:56FromDiscord<enthus1ast> echo time2 - time1
15:53:26FromDiscord<d4rckh> i did that already but i get this very long string, i just want it in a shorter format https://media.discordapp.net/attachments/371759389889003532/950783308755796028/unknown.png
15:53:45FromDiscord<enthus1ast> then you have to format it accordingly
15:55:18FromDiscord<Rika> echo (time2 - time1).inMilliseconds, "ms"
15:55:40FromDiscord<d4rckh> thank you!
15:55:42FromDiscord<Rika> more work needed for autoscaling
15:56:14FromDiscord<d4rckh> i think i can figure that on my own 🙂
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16:39:24FromDiscord<offray> sent a long message, see https://paste.rs/6LW
16:46:25FromDiscord<offray> Found it! It was a matter of using `replace` instead of `multiReplace`
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17:12:00FromDiscord<System64 ~ Flandre Scarlet> is there SDL Mixer bindings for Nim?
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17:15:45FromDiscord<System64 ~ Flandre Scarlet> https://github.com/nim-lang/sdl2/blob/master/src/sdl2/mixer.nim↵I find the thing
17:18:12FromDiscord<System64 ~ Flandre Scarlet> Mixer is included by default
17:19:41FromDiscord<System64 ~ Flandre Scarlet> https://github.com/WohlSoft/SDL-Mixer-X↵Following the logic, I should be able to port this
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17:24:46FromDiscord<Sense> Damn, I wish there was some guides about how to use Nim in creating demoscene stuff
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17:44:57FromDiscord<retkid> Does it make sense to differentiate different types of computing
17:45:28FromDiscord<retkid> im searching for a language to learn how to integrate opengl into my programming, I know i can probably do it in Nim but idk if i want to
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17:50:54FromDiscord<Require Support> whats equivalent of C variable thats an ` unsigned char ` in nim
17:51:30FromDiscord<Rika> ptr cuchar
17:52:19FromDiscord<enthus1ast> sent a code paste, see https://play.nim-lang.org/#ix=3RIb
17:52:49FromDiscord<enthus1ast> the varargs is the problem
17:52:57FromDiscord<enthus1ast> withouth varargs (and just one param it works)
17:53:44FromDiscord<Rika> you dont intend kind and name to also be varargs do you? im not sure
17:53:54FromDiscord<enthus1ast> nope
17:53:54FromDiscord<enthus1ast> oh
17:53:57FromDiscord<enthus1ast> \:)
17:53:58FromDiscord<Rika> 🙂
17:54:08FromDiscord<enthus1ast> gonna fix something real quick
17:54:47FromDiscord<enthus1ast> thank you @Rika
18:00:06FromDiscord<enthus1ast> the error is gone, but it does not work as intended, the dyn template should just pass the param (any kind) to the proc from the lib
18:00:48FromDiscord<enthus1ast> must i write a macro for that?
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18:48:11reversem3[m]How can I read a binary file and get its size?
18:48:59reversem3[m]binary file is a compiled file by the way
18:49:19reversem3[m]sort of how stat works ?
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19:29:57reversem3[m]How would you find the last position in a binary file using stream
19:30:33reversem3[m]does it make more sense to calculate the length of binary in hex first?
19:31:53Amun-Rareversem3[m]: .setPosition int.high; .getPosition
19:33:08Amun-Rathere's no (0, SEEK_END) equivalent; as for me - I pass file/whatever length along with the stream
19:35:35reversem3[m]`var pos = strm.setPosition(int.high.getPosition)` ?
19:36:05Amun-Ras.setPosition int.high; let lastpos = s.getPosition
19:37:06Amun-RaI haven't tested it tho
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19:41:42reversem3[m]https://play.nim-lang.org/#ix=3RIx
19:42:49FromDiscord<Waldecir Santos> Is it possible to extend NimNode with new kinds ?
19:49:27FromDiscord<ynfle> In reply to @Waldecir Santos "Is it possible to": No. You don't have control over the definition. It's someones code. Unless you add code to the compiler.
19:49:33FromDiscord<ynfle> What are you trying to do?
19:50:37FromDiscord<Waldecir Santos> I want to create a SQL/AST parcer, I was trying to reuse NimNode to avoid rebuilding the "same" functionality
19:51:49Amun-Rareversem3[m]: https://play.nim-lang.org/#ix=3RIx (iirc s.set_position int.high will clamp position to min(last position, inthigh)
19:52:38FromDiscord<ynfle> In reply to @Waldecir Santos "I want to create": Well nim's parser won't really help you so much because much sql isn't valid nim syntax
19:53:17FromDiscord<Waldecir Santos> No I just want the "structure" to store the SQL statements, but yeah I'll need to create one, ty
19:54:12reversem3[m]yeah thats not working , I'm doing something wrong , var pos = strm.setPosition(line.high .. 5) ?
19:54:53FromDiscord<ynfle> In reply to @Waldecir Santos "No I just want": The object variant implmentation is probably as lot simpler than the parser
20:00:19FromDiscord<michaelb.eth> any way to have gorge/Ex show output as it goes along, i.e. instead of capturing it in a variable and displaying it after the cmd finishes?
20:04:13FromDiscord<auxym> not with gorge, but with any proc that takes `ProcessOption` in std/osproc, you can pass `poParentStreams`
20:04:36FromDiscord<auxym> it will redirect the subprocess stdio to your app's stdio
20:05:17FromDiscord<auxym> can't use osproc at compile time (or in nimscript) though
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20:30:34reversem3[m]https://play.nim-lang.org/#ix=3RIJ
20:31:17reversem3[m]Not understand how int.high works since the strm is a string.
20:32:29FromDiscord<michaelb.eth> In reply to @auxym "can't use osproc at": yeah, I need to do it at compile time 😦
20:33:11FromDiscord<michaelb.eth> I guess I can live with a pause + displaying output after gorgeEx finishes
20:37:12FromDiscord<michaelb.eth> so when dev'ing with Nim on Windows, I like to work in an MSYS2 environment. That's been working really nicely for me for some time. But now that I'm using `gorgeEx` (i.e. compile-time shell command) , I'm having a problem. I think `gorgeEx` is launching cmd.exe, not sure, even though the context in which nimble / `nim c` is invoked is MSYS2 Bash.↵↵Is there a way to control how `gorgeEx` shells out?
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20:49:57FromDiscord<ripluke> Wait so Nim compiles to c, and then that c is compiled with a c compiler?
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20:56:13FromDiscord<michaelb.eth> In reply to @ripluke "Wait so Nim compiles": yes, though there are other backends available as well, e.g. "nim compiles to c++" or "nim compiles to javascript"
20:56:30FromDiscord<michaelb.eth> see: https://nim-lang.org/docs/backends.html
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21:01:50FromDiscord<auxym> In reply to @michaelb.eth "so when dev'ing with": don't think so, nim's compile-time subprocess facilities are unfortunately pretty limited
21:06:12FromDiscord<auxym> In reply to @reversem3 "Not understand how int.high": not sure I understand the question. `setPosition` sets the position of the "cursor" in the byte stream. Ie. if you set the position to 3, then the next byte that will be returned by `read` is the third byte, then the 4th, etc.
21:15:14FromDiscord<Require Support> sent a code paste, see https://play.nim-lang.org/#ix=3RIW
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21:17:36FromDiscord<auxym> In reply to @Require Support "so i have a": you shouldn't need the cast, if `generateFunction` returns a proc that matches the signature of `abcType` then you should be able to do `let abcFunction = generateFunctio(...)`
21:18:13FromDiscord<auxym> or `let abcFunction: abcType = generateFunction(...)`
21:20:53reversem3[m]auxym basically I want to read the file convert to hex and only print out the signature which is the last 5 lines
21:20:58FromDiscord<Require Support> unfortunately i need the cast
21:22:36FromDiscord<auxym> In reply to @Require Support "unfortunately i need the": why?
21:23:39FromDiscord<auxym> c interop?
21:23:44FromDiscord<Require Support> yep
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21:26:16FromDiscord<auxym> so `generateFunction` is a C function that you're importing?
21:27:01FromDiscord<auxym> in that case you need to annotate the proc type `abcType` with the correct calling convention, IIRC for C functions it's `cdecl`
21:27:30FromDiscord<auxym> so `type abcType = proc(letters: string): int {.cdecl.}`
21:27:50FromDiscord<auxym> but also if it's C then it's probably `cstring` and `cint` rather than the nim types
21:29:28FromDiscord<auxym> https://nim-lang.org/docs/manual.html#types-procedural-type
21:30:06FromDiscord<Require Support> but if im going to this process for multiple types and functions, is it possible to turn it into an object and create an array of these objects and just for loop to import the functions 🤔
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21:32:33FromDiscord<auxym> I don't think I understand. Do you have an example with the actual for loop and the `importc` stuff?
21:35:13FromDiscord<hmmm> beefzor u still awake? 🤔
21:36:20FromDiscord<auxym> In reply to @reversem3 "auxym basically I": there's many ways to do that, if the whole file fits into ram easily then the easiest way is probably to use `readLine` repeatedly and store all the lines into a seq. Then get the last 5 elements of that seq
21:39:07FromDiscord<Require Support> sent a code paste, see https://play.nim-lang.org/#ix=3RJ0
21:40:56FromDiscord<auxym> I mean, then yeah, I'm not sure what's stopping you. Nim has first class proc types, you can pass them around like any other value
21:41:00FromDiscord<hmmm> sent a code paste, see https://play.nim-lang.org/#ix=3RJ1
21:41:03FromDiscord<auxym> @Require Support
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21:47:45FromDiscord<morgan> so im working on a library for my own later use and i'd like a way to have a type that holds an array that can be like 1-8 dimensional and of variable size (but fixed size once declared). how should i go about that?
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21:49:31FromDiscord<morgan> actually it would be probably be fine to have a different type for each dimensionality
21:51:02FromDiscord<morgan> so then my question is how to declare a type for an array that is fixed size once declared but can be declared at any size (tho very likely nothing past 64)
22:05:54reversem3[m]Ok so I put the whole binary file converted to hex into a seq but each line is separate though. Should I put this into a list instead ?
22:11:00reversem3[m]says I'm getting index out of range but it should be -1 .. 4 https://play.nim-lang.org/#ix=3RJ9
22:22:35FromDiscord<Nick.> in nim is there a ror function?
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22:26:12FromDiscord<konsumlamm> not everyone knows what ror means
22:26:14FromDiscord<konsumlamm> but yes: https://nim-lang.github.io/Nim/bitops.html#rotateRightBits%2CT%2Crange%5B%5D
22:26:15FromDiscord<auxym> whats ror?
22:26:28FromDiscord<konsumlamm> ^ see? it's "rotate right"
22:26:29FromDiscord<auxym> oh
22:26:36FromDiscord<Nick.> Ah, thanks. I was was looking for ror not for the complete sentence
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23:10:06FromDiscord<auxym> sent a code paste, see https://play.nim-lang.org/#ix=3RJm
23:10:44FromDiscord<auxym> it keeps the original line break characters between each line
23:12:38FromDiscord<auxym> In reply to @MorganAlyssa "so im working on": is that for numerical stuff? did you check out arraymancer, it supports multi-dimensional arrays for number types
23:15:17FromDiscord<morgan> it's for generating multidimensional color palettes for future game use
23:18:48FromDiscord<morgan> i considered using nim-glm for colorspace stuff but ended up just writing my own of the math i needed so i could avoid the for loops it had
23:20:35FromDiscord<auxym> IIRC @mratsim had an implementation for simple strided arrays somewhere...
23:21:35FromDiscord<Elegantbeef> Well pmunch if interested i ditched the macro idea for checking nodes, and just am using a template now
23:21:35FromDiscord<Elegantbeef> https://github.com/beef331/micros/blob/master/src/micros/utils.nim#L5-L23 seems swell so far
23:22:51FromDiscord<auxym> @morgan this https://github.com/SimonDanisch/julia-challenge/blob/b8ed3b6/nim/nim_sol_mratsim.nim#L7-L64
23:23:38FromDiscord<morgan> ah cool
23:23:50FromDiscord<morgan> for now im just using seqs
23:24:24FromDiscord<morgan> ah so i see
23:24:31FromDiscord<auxym> nested seqs sounds painful for 8-D though 😄
23:24:40FromDiscord<morgan> it's a seq that it turns into whatever dimension
23:24:45FromDiscord<morgan> yeah
23:24:50FromDiscord<morgan> i dunno if i'll do 8d
23:24:55FromDiscord<auxym> yeah, that's the "strided" part
23:25:12FromDiscord<morgan> yea i had guessed that
23:25:39FromDiscord<morgan> maybe if i come up with a palette generator concept that outputs that many dimensions i'll do an 8d one, for now just 4d
23:26:15FromDiscord<morgan> (edit) "4d" => "1-4d"
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