<< 29-10-2025 >>
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05:17:09FromDiscord<ajusa> What am I doing wrong in this example? If I get rid of the first implementation of match it works. Is it because of the untyped bodies?↵↵https://play.nim-lang.org/#pasty=LwcDTQzo
05:55:18FromDiscord<leorize> it's because you're trying to overload an untyped parameter, the compiler overloading resolution will try to perform semantic checks, which predictably fails
05:55:51FromDiscord<ajusa> In reply to @leorize "it's because you're trying": Ah to figure out which overload to take
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07:08:28FromDiscord<systemblue2010> hey guys↵why only chinese are in language-specific channel?↵please add korean too
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07:23:55FromDiscord<kiloneie> sent a code paste, see https://play.nim-lang.org/#pasty=ZmGYNiXc
07:24:22FromDiscord<ieltan> In reply to @systemblue2010 "hey guys why only": Probably because no one asked for it yet, it might be made if you ask a mod nicely
07:24:32FromDiscord<kiloneie> In reply to @kiloneie "loadEntityImages calls loadImage a": Template -> proc -> template -> proc.
07:26:23FromDiscord<ieltan> In reply to @kiloneie "loadEntityImages calls loadImage a": I think the overloading is most likely the issue here
07:27:27FromDiscord<kiloneie> Wdym ? The extension is saying it's calling the correct thing, since i supplied the correct parameters... https://media.discordapp.net/attachments/371759389889003532/1432994223262535740/Screenshot_2025-10-29_08-27-01.png?ex=6903135e&is=6901c1de&hm=ff005afff3779ccc467846b149ae0826ab024d2254a416fd0cf550dc72123321&
07:30:57FromDiscord<kiloneie> Idk, i will just make a monolithic proc then, that doesn't call loadImage.
07:38:03FromDiscord<lainlaylie> it might be easier to help if you tell us what "doesn't work" means. is there an error message?
07:38:28FromDiscord<kiloneie> https://media.discordapp.net/attachments/371759389889003532/1432996994569338930/Screenshot_2025-10-29_08-38-20.png?ex=690315f3&is=6901c473&hm=391e8efa63b16772e5ac8db1f8722f109afcf3fcc978941e6598d70845618aea&
07:38:56FromDiscord<kiloneie> That's what the template is supposed to be supplying.
07:39:13FromDiscord<kiloneie> app holds the renderer
07:39:38FromDiscord<kiloneie> so the template wrapper does `app.renderer` for it's second parameter.
07:40:11FromDiscord<kiloneie> https://media.discordapp.net/attachments/371759389889003532/1432997424917643424/Screenshot_2025-10-29_08-40-02.png?ex=69031659&is=6901c4d9&hm=8349ae4c2395d617d6d0880a3e5298087197c946a9b8b2506d8ff32fd444b61d&
07:40:43FromDiscord<kiloneie> https://media.discordapp.net/attachments/371759389889003532/1432997559718121597/Screenshot_2025-10-29_08-40-36.png?ex=6903167a&is=6901c4fa&hm=7ff8d9d5bdb693d60fce2685f1a9ac2cf73feee52e5dce424736ae4d2e85d711&
07:45:24FromDiscord<lainlaylie> ok, managed to come up with a reproduction
07:46:27FromDiscord<lainlaylie> i think it's because `app` indeed doesn't exist inside `proc loadEntityImage`'s scope, which is what is calling `template loadImage`
07:48:45FromDiscord<leorize> if you want app to be bound from environment, add `mixin app` as the first statement
07:49:13FromDiscord<leorize> templates are like copy-pasting until they're not
07:49:44FromDiscord<leorize> though I don't even know why you bothered with a template here
07:52:56FromDiscord<lainlaylie> but this is not really a template quirk thing is it? it's simply that the intermediate `proc loadEntityImage` is breaking the copy-paste
07:53:21FromDiscord<lainlaylie> if we physically pasted the contents of `template loadImage` into `proc loadEntityImage` we'd get the same error
08:02:30FromDiscord<nnsee> In reply to @kiloneie "": why are you using templates so heavily? what's wrong with procs?
08:18:47FromDiscord<systemblue2010> In reply to @nnsee "why are you using": I use templates very heavily too↵because of inline optimization
08:27:08FromDiscord<systemblue2010> sent a code paste, see https://play.nim-lang.org/#pasty=NHzrhgsW
08:27:15FromDiscord<systemblue2010> this is one template
08:27:16FromDiscord<systemblue2010> quite big
08:27:36FromDiscord<kiloneie> I get it, if main calls loadEntitiesImage/s, which calls loadEntityImage template -> proc, it will work. But if that proc then calls another template, it will not work, since the call is not coming from main.
08:30:05FromDiscord<kiloneie> In reply to @leorize "if you want app": I tried doing that, but it doesn't do anything...
08:30:19FromDiscord<systemblue2010> this is process part of sha-2's 512 lines(SHA-2-384, SHA-2-512, SHA-2-512/224, SHA-2-512/256
08:30:22FromDiscord<systemblue2010> (edit) "SHA-2-512/256" => "SHA-2-512/256)"
08:30:31FromDiscord<systemblue2010> I'm now studying cryptography
08:31:43FromDiscord<kiloneie> So i cannot do it that way, i have to make a standalone proc + template wrapper, which i have done for loadEntityImage (this one is Images) before.
08:38:59FromDiscord<lainlaylie> if you make `renderer` the thing that the templates pass down (instead of `app.renderer`), everything should just work
08:39:23FromDiscord<lainlaylie> main gets it from the global scope, and any procs in between get it from the argument
08:40:14FromDiscord<lainlaylie> but yes, the real solution is to just use procs
08:48:05FromDiscord<ieltan> In reply to @systemblue2010 "hey see my code": :imdead5: hope that's a helper template that's just used in a couple procs cause if you litter your code with that template the code size would inflate too much
08:50:13FromDiscord<ieltan> actually it make sense if you only use that inside a loop
08:50:28FromDiscord<kiloneie> In reply to @lainlaylie "if you make `renderer`": I am pretty sure that cannot be done, i have tried such a thing before, but that renderer is tied to the window in main. There doesn't seem to be a way to just makea renderer, load images, then throw them to another renderer.
08:51:36FromDiscord<lainlaylie> there shouldn't be any behavior change
08:52:22FromDiscord<systemblue2010> In reply to @ieltan "<:imdead5:1383770725713707108> hope that's a": it is not proc it's template
08:52:27FromDiscord<ieltan> If you need another renderer then pass a `var Renderer` so you can "throw another renderer" to push image in
08:52:46FromDiscord<ieltan> But I honestly have no idea about your code so
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09:01:57FromDiscord<kiloneie> sent a code paste, see https://play.nim-lang.org/#pasty=UvtnDvsJ
09:02:42FromDiscord<nnsee> In reply to @systemblue2010 "I use templates very": i mean that's one place that at least somewhat makes sense, i meant in kilo's case specifically
09:02:58FromDiscord<systemblue2010> yes
09:10:06FromDiscord<lainlaylie> In reply to @kiloneie "How would i do": no error so we can only guess what the problem is, but im guessing you want `when` instead of `if`?
09:10:46FromDiscord<kiloneie> im getting excessive recursion error, which actually happens before line 2, line 1...
09:10:51FromDiscord<kiloneie> i cannot do it this way...
09:11:26FromDiscord<kiloneie> This is due to Image now holding subImages: Image
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12:45:29FromDiscord<shigumin.> Hi, Is there any mechanism to avoid nesting when working with many seq constraints? e.g. https://github.com/waf/ZebraPuzzle/blob/master/ZebraPuzzle/Program.cs
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13:06:04FromDiscord<demotomohiro> In reply to @shigumin. "Hi, Is there any": How about to use: https://nim-lang.org/docs/sequtils.html↵https://nim-lang.org/docs/algorithm.html
13:11:01FromDiscord<shigumin.> sent a code paste, see https://play.nim-lang.org/#pasty=cpKCoEJP
13:12:00FromDiscord<shigumin.> (edit) "https://play.nim-lang.org/#pasty=QOYbdJBD" => "https://play.nim-lang.org/#pasty=xkJYvHgd"
13:12:43FromDiscord<shigumin.> (edit) "https://play.nim-lang.org/#pasty=itvXWEbP" => "https://play.nim-lang.org/#pasty=sjJLLvEk"
13:20:37FromDiscord<shigumin.> sent a code paste, see https://play.nim-lang.org/#pasty=pCahraSZ
13:22:42FromDiscord<shigumin.> Probably I need to do some template magic, but I don't know how to do that yet.
13:23:52FromDiscord<ieltan> list comprehension ?
13:26:03FromDiscord<shigumin.> yeah
13:30:25FromDiscord<shigumin.> found out that collect macro probably could solve my problem: "Comprehension for seqs/sets/tables."
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16:10:23FromDiscord<amun0666> Hmm. `a in [b, c, d]` is not defined if `a` is `int64` and `b`…`d` are int (int32) on js/32-bit os.
16:25:30FromDiscord<ieltan> In reply to @amun0666 "Hmm. `a in [b,": gonna have to `int32(a) in [b, c, d]`
16:25:57FromDiscord<ieltan> oh wait what if `a > max(int32)`
16:27:25FromDiscord<amun0666> `a in [b'i64, c, d]`
16:27:39FromDiscord<amun0666> That works.
16:28:09FromDiscord<ieltan> oh nice
16:28:25FromDiscord<amun0666> (edit) "[b'i64," => "[b.i64,"
16:28:34FromDiscord<amun0666> (edited)
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20:02:34AlfomHi. To update a value in a seq, do I have to seq.delete(i) and seq.insert(i) or is there a shorter way? The compiler complains when I try to assign directly seq[i] = "blah"
20:04:31FromDiscord<nervecenter> Is your seq a `seq[string]`?
20:04:36FromDiscord<nervecenter> and is it `var`?
20:07:46Alfomit is a var seq and the types match
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20:10:09Alfomactually it is in a for loop
20:10:40Alfomfor seq in list_of_seqs:
20:10:40Alfom  if a condition is met:
20:10:41Alfom    seq[i] = seq[i+1]
20:10:56Alfomso maybe the block inside the for loop renders the seq immutable
20:11:08Alfom?
20:14:11FromDiscord<nervecenter> Are you shifting each element down by one? There is `Deque` for that, just FYI
20:14:27FromDiscord<nervecenter> It has a `popFront` or something like that
20:14:50Alfomnope just copying some values
20:14:55ormiretI think you want to be itterating over `list_seqs.mitems` to get mutable items
20:15:17AlfomI just try in a simple test file and it does work
20:15:20FromDiscord<nervecenter> The only reason a `seq` might be complaining is because `string` is a managed type, by default it's managed by the stack scope but maybe the move isn't able to happen properly
20:15:42Alfomit was not a good example, the actual seqs are float seqs
20:16:26FromDiscord<nervecenter> oh you know what
20:16:35FromDiscord<nervecenter> are you actually using the name `seq` in your loop iterator?
20:16:40FromDiscord<nervecenter> because `seq` is a reserved keyword
20:17:03Alfomi am using "sequence"
20:17:15FromDiscord<nervecenter> that should be fine
20:18:01FromDiscord<nervecenter> I think that if it works in a test file but not in context, we'd actually need to see your context or some name-stripped version of it in order to debug
20:18:15FromDiscord<nervecenter> Just make sure it throws the same error
20:19:47Alfomwell no it didn't work I made a mistake, I used the original name of the test seq inside the loop
20:19:54Alfomnot the name of the loop variable
20:20:08Alfomwhen I do that I get : expression 'seq_temp' is immutable, not 'var'
20:20:28Alfomeven though direct assignment outside of the for loop does work
20:23:45Alfomhttps://play.nim-lang.org/#pasty=BnWDXEJt
20:24:47Alfomin this snippet if I swap seq_temp for myseq the code runs fine
20:31:29FromDiscord<nervecenter> sent a code paste, see https://play.nim-lang.org/#pasty=KDAevywY
20:32:51FromDiscord<nervecenter> And yes, the iterator needs give a mutable reference, so you need to use `mitems`
20:32:53FromDiscord<nervecenter> one second
20:33:51Alfommitems over the sequence of sequences ?
20:34:06FromDiscord<nervecenter> yes...I need to resume this when I get home
20:34:13FromDiscord<nervecenter> Nested seqs are dicey
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20:58:16FromDiscord<nuitjour_82503> I'm the same person as "IRC Alfom", I logged into discord with an old account so I can see the responses even if I am offline. Thank you all for the help
21:02:38ormirethttps://play.nim-lang.org/#pasty=ETMIAGMx
21:14:57FromDiscord<nuitjour_82503> Thanks! I'll try it in my code
21:19:38FromDiscord<nuitjour_82503> It does compile now, thanks a lot! I have other errors to fix now 😅
21:20:04FromDiscord<nuitjour_82503> (execution erros)
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21:25:49FromDiscord<nuitjour_82503> in fact, the runtime error does concern the very line that just passed the compilation step. It raises : SIGSEGV: Illegal storage access. (Attempt to read from nil?)
21:26:13FromDiscord<nuitjour_82503> (edit) "concern" => "come from"
21:33:33FromDiscord<nuitjour_82503> In reply to @ormiret "https://play.nim-lang.org/#pasty=ETMIAGMx": your solution does not update the underlying seq : ↵https://play.nim-lang.org/#pasty=KZTEmEsJ
21:36:23FromDiscord<Elegantbeef> `mySeqs` copies `mySeq1`
21:36:54FromDiscord<Elegantbeef> you either want `ptr seq` or `ref seq` to achieve this and do `@[mySeq1.addr, mySeq2.addr` or do `new seq[int]` and then set them
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21:41:50FromDiscord<nuitjour_82503> thanks! I'll try that tomorrow, I'm off for tonight (EU time)
22:04:23FromDiscord<shigumin.> In reply to @shigumin. "found out that collect": sadly it didn't helped me. But anyway I did it! 💪 ↵fun fact: there only a 7 solutions to zebra puzzle, including mine. so from a 4k+ peoples less than a 10 completed a whole Nim track 🤔 https://media.discordapp.net/attachments/371759389889003532/1433214910417862666/B7C812F3-4126-43C1-A902-DF889E270EB2.png?ex=6903e0e6&is=69028f66&hm=30fe9faa07a1b9e6a70a21491f916b3e5e579d08c0812ff
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