<< 09-03-2021 >>
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00:12:28PrestigeYou could just reassign it without allocation, right? Like, mystr = "foo"
00:14:19nisstyreIs it possible to compile a nim program into a C shared library? I have `{.passC: "-shared -fPIC -o foo.so".}` but that just conflicts with the other args that get passed to gcc
00:14:27nisstyreis there a way to commpletely override those args?
00:21:43FromDiscord<fenrave> can't seem to find an option or anything on google about changing the default compilation flags for code runner
00:29:34FromDiscord<รєคɭ๓๏שє> Hey @giaco nice that you are still here ^^
00:30:13giacoHi Sealmove! I'm writing some bitstreams right now :D
00:31:10giacoactually dealing with a char protocol now, not really sure if binarylang is the right tool for the job performance wise, but it is working
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00:41:18giacoactually I'm quite puzzled what's the correct way to deal optional fields like in a string "AfooBfoo[Cfoo][Dfoo][Efoo]Ffoo" where sections C___ D___ and E___ are optionals and may appear all, none, or part of them, but Ffoo is always present
00:45:12giacois there a nim lib to calculate CRC16?
00:51:26FromDiscord<ElegantBeef> giaco this might help with the first question https://play.nim-lang.org/#ix=2ScI
00:53:34giacoElegantBeef, thanks! But I was asking sealmove about how to do that using his library "BinaryLang". Btw I'm thinking about switching to a dsl-less version like yours, bookmarked
00:53:44FromDiscord<ElegantBeef> Ah
00:53:52FromDiscord<ElegantBeef> I didnt join the two messages together 😄
00:56:44FromDiscord<Hi02Hi> In reply to @nisstyre "Is it possible to": My first guess would be to instead of putting the flags inside the prog, to say `nim c --passC: "-shared -fPIc -o foo.so" file`
00:56:52giacoyou've anticipated my question about if parseutils would fit for the job
00:57:22Prestigedamn if I'm going to write a tree-sitter grammar, I'll need to write some c++..
00:59:40FromDiscord<Hi02Hi> In reply to @nisstyre "Is it possible to": also note that the Nim manual mentions exporting to C in ↵https://nim-lang.org/docs/manual.html#foreign-function-interface-dynlib-pragma-for-export↵and↵https://nim-lang.org/docs/manual.html#foreign-function-interface-exportc-pragma
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02:01:07nisstyreThanks, that makes sense
02:01:19nisstyreI guess I could just compile a C file that just uses the function I want
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03:08:31FromDiscord<Gary M> what's the correct way to stream a binary file into memory?
03:09:16FromDiscord<Gary M> the allocator I'm trying to read into wants a uint32 size
03:09:51FromDiscord<Gary M> but I'm getting a "cannot read from stream" error
03:10:17FromDiscord<Gary M> https://i.imgur.com/nvX7lnS.png
03:10:41FromDiscord<Gary M> sent a code paste, see https://play.nim-lang.org/#ix=2Sd5
03:13:45PrestigeWhat constitutes a `literal` in the Nim grammar? https://nim-lang.org/docs/manual.html#syntax-grammar
03:14:39Prestigeis it every TokType with a `Lit` suffix in compiler/lexer.nim?
03:15:15ForumUpdaterBotNew post on r/nim by suijuricide: Advice on building a text expander, see https://reddit.com/r/nim/comments/m0xeme/advice_on_building_a_text_expander/
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03:41:29saemPrestige: yes, I believe that's correct.
03:42:14saemwell hold on, I spoke too soon I think.
03:44:49saemIt's defined in the grammar, the question is do you mean what nim says is a literal in the grammar technically (in which case it's as defined) or generally speaking what someone might consider a literal?
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03:51:41Prestigejust as it's defined in the grammar saem
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03:52:10Prestigeit looks like it matches the enum types I mentioned
03:52:27saemyeah
03:52:42PrestigeThat might be a pain to define in treesitter
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03:53:14PrestigeWell, I'll just have to do custom parsing
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03:54:35saemout of curiosity, what does treesitter get you?
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03:55:59PrestigeI've been wondering if it's worth it. Atm just syntax highlighting and indentation, and it's very fast since it only looks at modifications to nodes in a tree
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03:58:22giaco_I have a long named tupled of strings, how can I concat it into a single long string?
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04:00:07Prestigesaem: I'm hoping there will be more general use cases for tree-sitter later, since it can examine basically a sort of AST for any language, but idk if that'd become useful for nim
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04:01:34Prestigehttps://tree-sitter.github.io/tree-sitter/playground if you want to see it in action
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04:03:03saemmight be more useful as a binding rather than for nim itself, but who knows.
04:03:14PrestigeYeah - I think that exists already
04:04:16saemLike, if you want to parse nim, then use the nim parser?
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04:05:27PrestigeYeah, I wish there was an easy way to just translate that into a treesitter grammar tbh
04:05:47Prestigecould just plug-and-play better syntax hl
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04:07:15saemso... textmate grammars or something won't do?
04:08:37PrestigeI'm not familiar with it - my intent for a tree sitter grammar was for the new neovim adoption of treesitter for language parsing (indent and syntax hl)
04:08:57saemah
04:09:12Prestigemaybe the effort is moot, I still wonder if I'll run into weird issues with macros and ufcs
04:10:03Prestigelike if foo.bar where foo is a function in another module, who knows what the hell it is
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04:10:33saemyeah, that's not really syntax, that's more semantics.
04:10:36Prestige(treesitter just looks at the local file)
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04:10:41PrestigeYeah
04:11:45saemso there is syntax highlighting and semantic highlighting, which is similar but not the same thing.
04:12:40PrestigeYeah, so we'd probably just end up with the same coloring for foo.bar. Semantic hl would be nicer
04:12:51saemSo if you want to do the latter, I would suggest you look at the compiler/nimsuggest and sem.
04:12:54Prestigeand I think nim.nvim (the plugin) has it
04:14:17saemthe vim thingy that leorize[m] maintains for nim does that. I think that's nim.nvim, so yeah it does.
04:14:21PrestigeI keep forgetting who alaviss is until I look at that repo, lol. Maybe I'll just contrib to it
04:14:21saemI hear it's pretty slick.
04:14:32PrestigeYeah I like it
04:15:37saemsomeone mentioned wanting it for the vscode plugin, I'm tempted, but I don't want to just yet because there are other things I'd rather have working before really diving into that again.
04:16:06Prestigeoh wow he wrote most of it in viml
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04:23:08leorize[m]and I'm not proud of that viml :p
04:25:18Prestigenobody is proud of any viml haha
04:31:15saemLoL
04:34:34PrestigeI'd be down to help convert it to a vscode plugin
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04:39:58FromDiscord<Gary M> dose nim have an equivalent to c++ fread
04:41:04FromDiscord<Varriount> @araq : What was the motivation behind merging https://github.com/nim-lang/Nim/pull/17012 ?
04:42:51FromDiscord<Varriount> In reply to @Gary M "dose nim have an": Yes, there is both a threading and thread pool module in the standard library. That being said, Nim's thread model is not the same as C/C++'s.
04:43:11FromDiscord<Gary M> no no, fread as in file reading
04:43:25FromDiscord<Gary M> basically there is but I don't see a readByte() proc
04:43:37FromDiscord<Gary M> so I'm hoping maybe just readChar() with a cast to byte idk it feels weird
04:43:57FromDiscord<Varriount> Oh, sorry. I mis-read. I believe there should be a read() procedure in system?
04:44:20FromDiscord<Varriount> Why do you need to cast to a byte?
04:44:52FromDiscord<Gary M> so basically the C/C++ lib I'm interfacing with has helper utils that aren't wrapped
04:45:16FromDiscord<Gary M> and they help with loading in the binary files by reading them by bytes
04:45:38FromDiscord<Gary M> so I'm rewriting that in nim but also using the original libraries allocators
04:46:35FromDiscord<flywind> https://nim-lang.org/docs/streams.html#readInt8%2CStream
04:46:43FromDiscord<flywind> `readInt8`?
04:47:21FromDiscord<Varriount> In reply to @Gary M "and they help with": Or `readBytes` https://nim-lang.org/docs/io.html#readBytes,File,openArray[],Natural,Natural
04:58:40FromDiscord<Gary M> trying readBytes, getting index out of bounds, the container is empty
05:00:37FromDiscord<Gary M> ah it's because I didn't set a size for the byte array I made... hm
05:02:45saemPrestige: source is up, I'm all for PRs, please improve away. Happy to work through problems too as you've seen.
05:06:03PrestigeYou mean vscode-nim? Cool
05:07:32PrestigeI'll probably take a look tomorrow
05:14:04saemYup
05:14:14saemThe nim one I ported
05:16:46PrestigeStill on the same stance with https://github.com/saem/vscode-nim/issues/22 ?
05:17:03PrestigeMight be my first PR (I need to install vscode..l
05:19:02Prestigeman this editor is so good but I can't *not* use vim
05:21:13saemYup that's it
05:31:42PrestigeThis is interesting https://github.com/saem/vscode-nim/issues/28 I didn't know you could change the case etc of built-in keywords
05:34:20FromDiscord<Gary M> is there a way to access a pointer in nim like `pointerVar[idx]`
05:35:25FromDiscord<ElegantBeef> Needs to be a `ptr UncheckedArray[T]`
05:37:06FromDiscord<Gary M> so ` cast[ptr UncheckedArray[char]](mem.data)[mem.size - 1] = '\0'`
05:38:07FromDiscord<Hi02Hi> do you mean get the pointer of a value?
05:38:32FromDiscord<ElegantBeef> Think he wants to get an offset of a pointer
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05:41:27FromGitter<redblack3_gitlab> Hey guys, quick question. When I call `=destroy` on an object that contains fields that are `importcpp`d structs, will the C++ destructor be called for those fields? Or will I have to do that myself?
05:44:44FromDiscord<ElegantBeef> If they're structs the destructor doesnt really matter now does it?
05:45:07FromGitter<redblack3_gitlab> It does if the destructor on the C++ does something
05:45:22FromGitter<redblack3_gitlab> like reference counting
05:46:04FromDiscord<ElegantBeef> Well then i'll go in the corner and count the points, until someone that knows shows up 😄
05:46:40FromGitter<redblack3_gitlab> If I have to do it myself, do you think something like the following be sufficient? It destructors in C++ propagate right? ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=60470bbfd74bbe49e0e0851e]
05:48:15FromGitter<redblack3_gitlab> Actually I can google that...
05:49:13saemPrestige: that is the very hard part of parsing nim
05:49:16FromDiscord<ElegantBeef> Yea google is smarter than me, it doesnt tend to make stuff up
05:50:05Prestigesaem: is it just doing string comparisons with pattern matching, or how is that highlighting supposed to work?
05:50:06FromDiscord<ElegantBeef> for nice tooling you pretty much have to have semantic highlighting, since it'd resolve a bunch of that afaik
05:50:17Prestigee.g. pROC doesn't highlight but it compiles
05:50:25PrestigeYeah it would
05:50:58Prestigealthough nim.nvim doesn't hl it either but I thought it uses semantic hling
05:50:59ForumUpdaterBotNew thread by Jasonfi: How to change an object's field, in a complex object, when using recursion?, see https://forum.nim-lang.org/t/7592
05:51:01saemWell the static highlighting is textmate grammars
05:51:10Prestigeah I see
05:51:11saemThe semantic can be added via nimsuggest
05:51:20saemThe grammar files are in the repo
05:52:01saemThere is an abandoned version of the extension someone improved the grammars but it seemed like sloppy work based on commit history so who knows
05:52:12Prestigehttps://github.com/pragmagic/vscode-nim was it this
05:52:25saemNah
05:52:33saemThat's the original Typescript one
05:52:55saemIt's like some person's name in the extension
05:52:57saemLet me see
05:53:27Prestigeshould be try changing https://github.com/saem/vscode-nim/blob/main/syntaxes/nim.json#L79 or just add semantic hling?
05:54:32saemThis: https://marketplace.visualstudio.com/items?itemName=garym.nim-alt for the possibly improved textmate grammars
05:54:39FromGitter<redblack3_gitlab> Ah, so that Nim snippet should do the job then: ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=60470d9f5d0bfb4e5897cb07]
05:55:09PrestigeAlso leorize[m] your plugin fails to hightlight weird capitalizations of keywords (like pROC). Is the issue with nimsuggest?
05:57:14FromDiscord<ElegantBeef> I'm going to say nimsuggest most likely works https://media.discordapp.net/attachments/371759389889003532/818724083466240040/unknown.png
05:58:53leorize[m]Prestige: nimsuggest doesn't handle that one, the syntax plugin does
05:59:15Prestigehm okay (I don't see it working on either though)
05:59:55FromDiscord<ElegantBeef> Although i dont require if normal language extensions would work there
05:59:58FromDiscord<ElegantBeef> (edit) "require" => "recall"
06:00:02leorize[m]Prestige I only implemented it for pragmas since someone complained :p
06:00:13Prestigehaha cool, yeah it seems like a weird use case tbh
06:00:28leorize[m]it's easy to replicate for the rest if you want, there's already a function in the syntax file
06:01:07Prestigeyeah maybe I will, if it won't be much of a hassle. Idk why anyone would use it though
06:02:41FromDiscord<ElegantBeef> Considering how slow `nim check` can be i'm scared of what'll happen without an IC + semantic highlighting 😄
06:06:35FromDiscord<Araq> IC is starting to work
06:08:11FromDiscord<KnorrFG> Is it possible to use a macro to create a new type, and instantiate it?↵so that `var foo = someMacro(...)` is an instance of a type that hasnt existed prior to the macro call?
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06:09:06leorize[m]yes
06:09:34leorize[m]you can do this even without macros
06:09:38FromDiscord<ElegantBeef> https://play.nim-lang.org/#ix=2Sdp
06:09:59FromDiscord<KnorrFG> ahhh cool. that was ecaxtly what it needed
06:09:59FromDiscord<KnorrFG> ty
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06:11:29FromDiscord<KnorrFG> (edit) "ecaxtly" => "exactly" | "it" => "i"
06:17:03ForumUpdaterBotNew thread by Halloleo: JS backend: How to access the `files` attribute in the Node object of an `input type="file"` element, see https://forum.nim-lang.org/t/7594
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06:23:11FromDiscord<Gary M> What's the equivalent to a void pointer in nim?
06:23:18FromDiscord<Gary M> Strictly interfacing with C
06:23:47FromDiscord<Gary M> It's expecting an array passed as a void pointer
06:27:34FromDiscord<Araq> void pointer is `system.pointer`
06:39:49FromDiscord<Gary M> So just using `addr` should be sufficient?
06:39:56FromDiscord<ElegantBeef> > In general, a ptr T is implicitly convertible to the pointer type
06:40:23FromDiscord<Gary M> Or should I `cast[pointer]`
06:40:23FromDiscord<ElegantBeef> So yes
06:40:43FromDiscord<ElegantBeef> `thing.addr` can be implicitly converted to a `pointer`
06:54:26FromDiscord<haxscramper> Prestige: have you seen my link for tree-sitter? https://irclogs.nim-lang.org/08-03-2021.html#07:54:11
06:54:58FromDiscord<haxscramper> Should save you quite a bit of annoying work at the start
06:55:59FromDiscord<Araq> if you want to parse Nim, Nim's parser isn't all that bad as a starting point
06:58:12Prestige@haxscramper oh I did not see that
06:58:41FromDiscord<Araq> and if you want to know how indentation based parsing is done... the manual explains it
06:58:42PrestigeIdk if it'll be of good use of time tbh
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06:59:03Prestigewe already have decent syntax highlighting
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06:59:47FromDiscord<Araq> it's actually quite miserable for me
06:59:59PrestigeIs it bad for large files?
07:00:01FromDiscord<Araq> but fixing it doesn't require much parsing work
07:00:18FromDiscord<Araq> no, the keywords are misclassified
07:00:33FromDiscord<Araq> `when` has a different color than `proc`
07:00:52FromDiscord<Araq> and `false` and `true` are rendered as keywords, they are not in Nim.
07:00:59FromDiscord<haxscramper> In reply to @Araq "if you want to": I wanted to write pretty-printer, so I wanted to have concrete syntax tree.
07:01:00PrestigeWhat plugin are you using? I'm planning on helping saem with that work
07:01:15FromDiscord<Araq> we have an 100% precise list of keywords, nobody cared
07:01:17FromDiscord<haxscramper> Just parsing nim code is of course better done by actual parser
07:02:04FromDiscord<Araq> some things are white, others bright yellow for no apparent reason
07:02:37FromDiscord<Araq> pragma parsing is broken, pragmas can end in `}`, it doesn't have to be `.}`
07:03:00FromDiscord<Araq> yet the highlighter doesn't accept `}`
07:03:15Prestige@Araq you talking about the vscode plugin saem made?
07:03:27FromDiscord<Araq> the VSCode plugin, yes
07:03:41FromDiscord<haxscramper> Prestige: as I already said I just got stuck somewhere in the middle, so if you want I can just give you commit access or you can simply copy over anything useful
07:03:48FromDiscord<haxscramper> If you want
07:04:21PrestigeIf I decide to work on it I'll probably fork and make a PR (unless you've abandoned it)
07:04:48FromDiscord<Araq> and while we're at it, ` 133'foo` is becoming valid Nim code (user defined literals)
07:05:03FromDiscord<haxscramper> I'm not abandoning it, just not main focus for now
07:05:10PrestigeKk
07:05:42Prestige@Araq if you have any time to list these sorts of issues on the github page I'll start looking into in this week
07:06:12FromDiscord<Araq> certainly. which issue tracker to use?
07:06:12FromDiscord<haxscramper> Also tree-sitter grammar can be used together with github semantic (which I already want to learn how to use for haxdoc) so we might get go-to-definition on GitHub some day
07:06:31FromDiscord<haxscramper> Not particularly useful and half-broken though
07:06:36Prestigehttps://github.com/saem/vscode-nim/issues
07:08:05PrestigeAny pictures or whatever helps
07:08:13FromDiscord<Araq> also, please notice that I'm particularly easy to satisfy as I hate semantic parsing
07:08:57FromDiscord<Araq> for me it suffices to distinguish between keywords, string literals, comments and everything else
07:09:04Prestigeon a side note, user-defined literals sounds interesting. Any literature on it?
07:09:17FromDiscord<ElegantBeef> The PR for it 😛
07:09:27FromDiscord<Araq> there are also outdated RFCs about it
07:09:54FromDiscord<ElegantBeef> https://github.com/nim-lang/Nim/pull/17020 for the most recent conversation/progress
07:10:49PrestigeThat's pretty cool. Thanks for the link
07:18:48saemNot sure if this highlighting is better, but there is an original TS extension fork and if the highlighting is just plain better maybe that's a good place to start https://github.com/GaryM-exkage/vscode-nim-alt/blob/master/syntaxes/nim.json
07:19:22FromDiscord<ElegantBeef> It's a bit better, but it still has it's limitations, regex can only go so far
07:19:46FromDiscord<Araq> for highlighting Nim code, regexes are entirely sufficient
07:20:19FromDiscord<Araq> except for the nestability of #[ ]# comments
07:22:44PrestigeTrying to think of ways we could make a treesitter grammar easier to write
07:23:02Prestigebecause we'd need a custom scanner
07:23:04FromDiscord<ElegantBeef> Suppose so, depends on the depth of given knowledge. Like i imagine `object.field.proc.proc` would stimy the highlighter
07:24:26saemI very briefly looked at textmate grammars and they have a whole scopes thing, so it's not strictly regex, basically flips into different modes so you get a stack of matching rules as you enter and exist various things.
07:24:32saemexit
07:26:11saemhuh, never checked out the scope inspector, that makes the whole thing seem quite a bit less dautning: https://code.visualstudio.com/api/language-extensions/syntax-highlight-guide#scope-inspector
07:27:59FromDiscord<Araq> this is all nuts in my not so humble opinion.
07:28:18FromDiscord<Araq> highlighting should be purely based on the lexing aspects of a language
07:29:20FromDiscord<Araq> that actually helps newcomers to a language much moreso than petty distinctions between "control flow related keywords" vs "declarative keywords"
07:29:23PrestigeThat's what treesitter aims to do, but you have to write a grammar file in their own syntax. Then, for some special stuff, you have to write a scanner (which the parser in the compiler does anyway) so meh.
07:31:17FromDiscord<Araq> when you want more than lexing, get at least basic lexing right first...
07:31:51FromDiscord<Araq> I can tell Nim's highlighter treats Nim as some shitty dialect of Python, it's a pain.
07:46:48FromDiscord<Gary M> hey seam, I thought I did a pretty good job with the textmate grammer in vscode-nim-alt. The only issue is the nimsuggest part of it is unchanged from the original fork and isn't great.
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07:53:10saem@Gary M: could you throw up equivalent screenshots in the issues Araq filed? It'd be nice to compare.
07:54:31saemIf it's straight up better I'm not picky about it, as evidenced by the fact that I didn't get itchy enough to tackle it. 😄
07:58:14FromDiscord<Araq> screenshot? just open any realistic Nim file and observe the mess of different colors
08:00:54FromDiscord<Araq> https://gist.github.com/Araq/1de715551a8ae38d1aa3328e8a5a6945 for example
08:01:02FromDiscord<Gary M> https://media.discordapp.net/attachments/371759389889003532/818755240618623007/Code_f1dFOGJwyX.png
08:01:12FromDiscord<Gary M> oh does this work over IRC
08:01:15FromDiscord<Gary M> or do I need to upload to imgur
08:01:32FromDiscord<Araq> quite sure it works
08:01:35FromDiscord<Gary M> okay
08:01:37FromDiscord<Gary M> that's saems
08:01:37saemIt works
08:01:42FromDiscord<Gary M> https://media.discordapp.net/attachments/371759389889003532/818755408776003584/Code_BcM3Xdd9De.png
08:01:44FromDiscord<Gary M> and this is mine
08:02:31FromDiscord<Araq> "If a little color helps readability, having more colors helps readability even moreso! Obviously!"
08:02:42FromDiscord<Araq> ^ nope. it doesn't work this way.
08:03:04FromDiscord<Gary M> so for one thing
08:03:44FromDiscord<Gary M> https://media.discordapp.net/attachments/371759389889003532/818755919071674398/unknown.png
08:03:50FromDiscord<Gary M> why is matrix highlighted here?
08:04:05saemLoL, my phone went into black and white mode. 🤣
08:04:14FromDiscord<Gary M> https://media.discordapp.net/attachments/371759389889003532/818756045517619220/unknown.png
08:04:40FromDiscord<XeroOl> the fact that `for` and `in` are different colors
08:04:58saemBecause it's dumb and is approximating command syntax I think
08:05:14FromDiscord<Gary M> https://media.discordapp.net/attachments/371759389889003532/818756297679699978/unknown.png
08:05:25FromDiscord<XeroOl> your first picture
08:05:29FromDiscord<Gary M> I made sure all of the keywords were highlighted correctly.
08:05:33FromDiscord<Gary M> Yes, first picture is seam
08:05:35FromDiscord<Gary M> saem
08:06:28FromDiscord<Gary M> system types are not colored but someone requested that so it's an optional configurable variable you can add to your settings json
08:06:38FromDiscord<Gary M> like `float` etc 😛
08:07:02saemOK, so as long as the scoping is good the theming can be controlled to avoid too many colours or more colours of that's your bag.
08:07:27FromDiscord<Araq> the defaults matter though, esp for beginners
08:07:58FromDiscord<Araq> simple defaults that reflect how the lexing works is much better than sophistry about proc vs template invokations
08:08:07saemOh yes, I'll be picky about that, I can't have colours yelling at me.
08:08:21FromDiscord<Gary M> I tried to make it as consistent as possible.
08:08:33FromDiscord<Araq> consistent with what?
08:08:38FromDiscord<Gary M> coloration
08:08:45saemIt's fine as long as the scoping is good. Then theming is easy.
08:08:49FromDiscord<Gary M> it shouldn't be colored one way and then another in any other context
08:08:58FromDiscord<Gary M> that's confusing
08:11:53FromDiscord<Gary M> anyways, my plugin is probably subpar with parsing.
08:12:30saemThe matching rules are better for sure. Since you can differentiate all those things seems like scoping is precise. Which just means default theming needs to change, AFAICS.
08:12:33FromDiscord<Gary M> I think it has that whole issue of spawning way too many nimsuggest prompts
08:12:52FromDiscord<Gary M> but if you want to rip the textmate grammer from it be my guest
08:13:11saem\o/
08:13:18FromDiscord<Gary M> grammar
08:14:53FromDiscord<KnorrFG> @ElegantBeef I tried to apply your example from before to the case were it should return a new type, but cant get it to work. Is something like this possible? https://play.nim-lang.org/#ix=2SdS
08:15:27FromDiscord<ElegantBeef> You have logic inside a typdefinition
08:15:32FromDiscord<ElegantBeef> (edit) "typdefinition" => "typedefinition"
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08:16:30FromDiscord<ElegantBeef> That's just not right in any regard, what are you trying to do here?
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08:20:01FromDiscord<KnorrFG> sent a code paste, see https://play.nim-lang.org/#ix=2SdT
08:20:32FromDiscord<ElegantBeef> Ok so then what's with the weird field here?
08:21:15FromDiscord<KnorrFG> what wierd field? you mean member in the play.nim example?
08:21:17FromDiscord<ElegantBeef> Yea
08:22:19FromDiscord<KnorrFG> macro is just transformation from one syntax to another, right? and I want to create a new signal type which has emit and register procs with the fitting signatures in the Signal macro, so the resulting code would be in that position, wouldnt it?
08:22:50FromDiscord<ElegantBeef> I'm half wondering i a generic wouldnt just work?
08:22:52FromDiscord<KnorrFG> its the code i expect the macro to produce
08:22:54FromDiscord<ElegantBeef> (edit) "i" => "if"
08:23:08FromDiscord<KnorrFG> the problem is, that i want it to work with any signature
08:23:17FromDiscord<KnorrFG> with any amount of arguments
08:23:20FromDiscord<ElegantBeef> Ah
08:23:22FromDiscord<ElegantBeef> I see
08:24:59FromDiscord<ElegantBeef> I did something similar in this package basically generates a type that takes in a given set of arguments and works kinda like a C# System.action https://github.com/beef331/constructor/blob/master/src/constructor/events.nim
08:25:37FromDiscord<ElegantBeef> This test has an example https://github.com/beef331/constructor/blob/master/tests/tallfeatures.nim#L3
08:25:55FromDiscord<ElegantBeef> Some inspiration/source to build off of
08:26:41FromDiscord<KnorrFG> ok, ill try to understand it, thank you
08:27:21FromDiscord<ElegantBeef> Knowing the code that you want to emit goes a long way in figuring out how to get there since you can `dumpTree` it and see what the AST is
08:28:25FromDiscord<KnorrFG> yep. the problem is, that im not really clear on what code should be emitted. But I hope your library can help
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08:28:56FromDiscord<ElegantBeef> I tend to write what i desire, then work backwards from there solving it programatically
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08:41:26FromDiscord<KnorrFG> ur macro seems to be pretty much exactly what I want, except for that it is not inplace, but needs to be defined prop
08:41:33FromDiscord<KnorrFG> (edit) "prop" => "prior to the usage"
08:42:04FromDiscord<ElegantBeef> Well due to how Nim's type section macros work you kinda have to predeclare it before the type signature, or make a typedef with the type
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08:43:01FromDiscord<KnorrFG> I see, i guess I'll just use ur library then 😄
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08:47:14FromDiscord<ElegantBeef> There is this issue <https://github.com/nim-lang/Nim/issues/13830> which if implemented would allow you to emit a new type before the current type with all the args you want
08:57:03FromDiscord<KnorrFG> I dont really undertand anything there 🙈
08:57:25FromDiscord<ElegantBeef> Well just use my library until it angers you enough 😛
08:58:02FromDiscord<KnorrFG> but that thing was added as a blocker for 1.4, and 1.4 is out, so I guess it wont come, right?
08:58:17FromDiscord<ElegantBeef> Dont ask me i'm not a core dev
08:59:58FromDiscord<Araq> it might come for 1.6 then
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09:00:31FromDiscord<KnorrFG> ok, cool:)
09:05:03FromDiscord<Araq> (we handle milestones poorly ... what works is marking things as 'Showstopper' bugs)
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10:07:46PMunchI'm probably going to start my "keyboard firmware in Nim" streaming today. It's going to be programming micro-controllers directly in Nim without using the Arduino libraries to create a nice and user-friendly keyboard firmware that should be dead simple for people to set up and configure to run on their own boards.
10:08:20PMunchAiming to start the stream at 5PM UTC
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10:24:09FromDiscord<mratsim> you need to write in in Rust first otherwise it will have a low HN impact factor.
10:25:14PMunchHaha, that sounds like way too much work :P
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10:26:38FromDiscord<ElegantBeef> Write a Rust backend for Nim so you can then rewrite Nim in Rust in Nim to complete the circle
10:27:33FromDiscord<ElegantBeef> They'll be out back shouting "RIIR" whilst chasing their own tails
10:29:17FromDiscord<Gary M> damn look at this nice code `copyMem(lightDirTime.addr, temp.addr, sizeof(temp))`
10:30:44PMunch@Gary M, not sure if that was facetious or not..
10:31:02FromDiscord<Gary M> oh it's very sarcastic 😛
10:31:13PMunchHaha, okay :P
10:31:29PMunchBecause it arguable looks quite a lot better than similar code in C
10:32:27FromDiscord<Gary M> sent a code paste, see https://play.nim-lang.org/#ix=2Sem
10:33:09FromDiscord<Gary M> poor variable name choices aside, it's not very different.
10:34:30PMunchI guess I just never really liked the */& syntax
10:35:26FromDiscord<Araq> /& are ok but I find `x.f` vs `x->f` a never ending pain in the ass
10:35:41PMunchOh yeah, so glad Nim did away with that
10:35:59FromDiscord<Gary M> lol Visual Studio got really good at automatically expanding "." to "->" where necessary
10:36:24FromDiscord<Gary M> it's a nice crutch for bad design
10:36:30FromDiscord<ElegantBeef> I though araq was working on the 01/04/2021 patch where he replaced `ptr` and `addr` with the C counterparts to make the IR nicer 😛
10:37:08FromDiscord<Araq> the IR fine, special cased nkAddr and nkDeref nodes
10:39:07FromDiscord<ElegantBeef> Well with the missing of my reference to april 1st i'll be off
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10:45:06FromDiscord<Gary M> I read it as January 4th
10:45:52FromDiscord<Araq> @ElegantBeef the joke escaped me indeed 🙂
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10:57:37FromDiscord<haxscramper> If C callback accepts `T` for pointer-to-array, is it safe to make `UncheckedArray[T]` argument on nim side, or I need to explicitly do the conversion?
11:02:11PMunchI think that should be safe
11:04:21FromDiscord<Araq> you need `ptr UncheckedArray[T]`
11:04:38FromDiscord<Araq> an UncheckedArray is still an array, not a pointer
11:04:57Clonkk[m]If C does ``int mycproc(int* arg)``, then you need ``proc myproc(x: ptr UncheckedArray[cint]): cint {.importc: "mycproc".}``
11:08:12FromDiscord<Araq> correct
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11:21:08FromDiscord<mratsim> I don't know whether the worst ceremony is around Nim toOpenArray or ptr UncheckedArray
11:23:25FromDiscord<Goel> @Araq Hey Araq, i'm trying to learn GTK+ using gintro, by Stefan Salewski. In one of the open issues, Stefan said this about a specific (GStreamer, appsink) "...Handling this automatically seems to be really hard. Mr. Rumpf may have ideas, but I will not ask him, he does not like GTK that much" So i was wondering why you don't like GTK and what are you pref pick as a GUI for Nim?
11:24:06FromDiscord<mratsim> Command Line For4ever
11:24:22FromDiscord<Rika> have you ever tried using a cli browser
11:24:32FromDiscord<Rika> its not fun
11:24:33FromDiscord<Araq> I usually encourage people to look into fidget, but beware, I never used it myself
11:24:38FromDiscord<mratsim> yep, links2 elinks and lynx
11:25:05Clonkk[m]I just have the Vimium extension 😛
11:26:11FromDiscord<Araq> as for why I don't like GTK ... because it's enormous in size and I personally think big object oriented projects in C are trolling when C++ exists.
11:26:11PMunchI tried Nyxt recently, but could never really get into it..
11:27:03FromDiscord<Araq> yes, yes, C++ bad because you cannot read a book about it and avoid its dark corners, whatever.
11:27:21FromDiscord<Rika> so whats your opinion on qt then? that's c++
11:27:42FromDiscord<Araq> Qt is indeed ridiculously better.
11:28:07FromDiscord<whisperdev> Too bad Yardanico gave up on his sciter bindings
11:30:35Clonkk[m]Isn't GTK coded in Vala these days ?
11:32:28FromDiscord<mratsim> Wasn't oksca part of Sciter?
11:33:06FromDiscord<mratsim> oskca
11:33:35FromDiscord<mratsim> He created the initial bindings directly in sciter repo: https://github.com/sciter-sdk/nsciter
11:33:48FromDiscord<Goel> What's Vala?
11:34:02FromDiscord<mratsim> C# clone from Gnome
11:34:18FromDiscord<mratsim> might as well use Mono nowadays.
11:37:35liblq-devClonkk: GTK has Vala bindings but it's implemented in C
11:39:03FromDiscord<whisperdev> https://github.com/MustafaHi/Recast
11:39:23FromDiscord<whisperdev> This works really well on my Windows even though the logic is implemented in the slow TIScript
11:53:07FromDiscord<Kiloneie> sent a long message, see http://ix.io/2SeD
11:55:40ForumUpdaterBotNew thread by Arnetheduck: Zero-knowledge proofs (and rust integration) come to Nim.., see https://forum.nim-lang.org/t/7595
11:55:43FromDiscord<Yardanico> Why hard subs though?
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11:58:57FromDiscord<Kiloneie> Hard because, most people don't ever turn them on so they don't even know that they exist, and secondly because if i were to ever get myself onto Floatplane or something, if i had used Youtube to add subtitles, i would most probably have to redo it all, and good luck once you have a lot of videos D:
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12:00:14FromDiscord<Kiloneie> i just watched Life of Boris talk about why he has subs hardcoded on every video, and 98% of people voted for them to stay, maybe for different reasons, but it seems that most people are mobile users who would benefit from this, and of course non english natives still struggling with english
12:00:35FromDiscord<Yardanico> Well it's up to you, but I personally prefer soft ones more
12:00:36FromDiscord<Kiloneie> i only turned on subs on youtube like a few times, and half of the time they were auto generated or more, and were garbage
12:01:20FromDiscord<Yardanico> that doesn't mean that soft subs are bad, YouTube tries to do some automatic subs even if none are available
12:01:37FromDiscord<Yardanico> I've seen a lot of videos with soft subs, sometimes for more than 1 language
12:02:57FromDiscord<Kiloneie> Hmmm, i will think about that, maybe if i add soft subs i should remind the person watching the video that subs exist
12:04:24FromDiscord<Kiloneie> Gotta see what youtube does on my videos xD
12:06:01FromDiscord<Yardanico> Also YouTube subs are much more customizable than you think
12:07:01FromDiscord<Yardanico> Sadly that functionality mostly works on desktop
12:07:08FromDiscord<Yardanico> You can check https://youtu.be/UxM5UgpXYM4 for an example
12:07:24FromDiscord<Yardanico> (enable English subs on desktop)
12:09:24FromDiscord<Kiloneie> what do you mean it mostly works on desktop ? i can see them on phone ? i mean i have the youtube app but so do pretty much everyone no ?
12:10:14FromDiscord<Yardanico> Check this video on desktop to understand what I mean
12:10:30FromDiscord<Yardanico> I was talking about how YouTube subs are really customisable
12:11:55FromDiscord<Kiloneie> it seems to me watching about a minute of my last video that youtube auto subtitles are 99% accurate for my video so far...
12:12:20FromDiscord<Kiloneie> "Nim's" is the only problem becomes "Nims"
12:13:21FromDiscord<Kiloneie> it heard sdl's on 1:52
12:13:46FromDiscord<Kiloneie> huh... seems like i don't need to do subs at all, seems that i talk pretty clearly.
12:16:31FromDiscord<Kiloneie> sdl 2 became sl2 , on mine, became online, maybe 98% accurate
12:17:17FromDiscord<Kiloneie> sdl 2 became "sdl to" xD lul
12:17:36FromDiscord<Kiloneie> or "sl2" xD
12:17:50FromDiscord<Kiloneie> anyways i guess i don't need them
12:18:29FromDiscord<Kiloneie> Can you edit what youtube has auto generated though ?
12:18:59FromDiscord<Kiloneie> Maybe i could just fix some rare fails of the auto generate
12:19:42ForumUpdaterBotNew thread by Drkameleon: Un-static strings in template, see https://forum.nim-lang.org/t/7596
12:20:59FromDiscord<Yardanico> In reply to @Kiloneie "Can you edit what": Of course
12:21:10FromDiscord<Kiloneie> Perfect.
12:36:03FromDiscord<arnetheduck> In reply to @Yardanico "also it's funny how": got it fixed in one place at least 🙂 https://github.com/saem/vscode-nim/issues/27
12:36:41FromDiscord<Yardanico> Extensions should just compare case insensitively except the first letter :)
12:36:50FromDiscord<Yardanico> I don't think it's that hard stuff regexes
12:36:52FromDiscord<hamidb80> > When I started Nim's development I had a small simple language in mind that compiles to C; its implementation should not be more than 20,000 lines of code. The core guideline has always been that Nim should be a small language with a macro system, which should be capable of extending Nim with all the features that the small core is missing.
12:37:09FromDiscord<hamidb80> https://nim-lang.org/araq/v1.html
12:37:53FromDiscord<Yardanico> In reply to @Yardanico "Extensions should just compare": Even with highlite it's not hard to do - https://github.com/pietroppeter/nimib/blob/main/src/nimib/highlight.nim
12:42:45FromDiscord<hamidb80> In reply to @hamidb80 "https://nim-lang.org/araq/v1.html": > The future is bright, version 1 is the beginning. It's like a marriage, it doesn't stop with the wedding.
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12:43:41FromDiscord<Yardanico> why are you quoting so much stuff from that blog post? :)
12:44:11FromDiscord<arnetheduck> In reply to @Yardanico "Extensions should just compare": as an option, I hope - it's a pita and a security nightmare when people use different spellings
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12:44:34FromDiscord<Yardanico> In reply to @arnetheduck "as an option, I": I'm talking about syntax highlighting
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12:44:54FromDiscord<Yardanico> It's very easy to do and isn't really related to security or anything
12:44:56FromDiscord<arnetheduck> In reply to @Yardanico "I'm talking about syntax": people spell like their editor encourages them to do
12:45:09FromDiscord<Yardanico> Yes, and I'm not talking about autocompletion
12:45:36FromDiscord<hamidb80> i hate Youtube ads from `Tabnine` and stuff like that
12:46:07FromDiscord<hamidb80> "do you write code? Tabnine would speedup your coding ..."
12:46:41FromDiscord<Yardanico> TabNine is actually quite cool if you have the RAM for it
12:46:46FromDiscord<hamidb80> (edit) "would" => "will"
12:46:52FromDiscord<Yardanico> Also, why don't you have an ad blocker?
12:47:10FromDiscord<Yardanico> In reply to @Yardanico "TabNine is actually quite": Even Araq uses it :P
12:47:15FromDiscord<arnetheduck> In reply to @Yardanico "I'm talking about syntax": actually would be great if it did highlight alternative spellings with red or something 🙂
12:47:20FromDiscord<hamidb80> In reply to @Yardanico "Even Araq uses it": uses tabnine?
12:47:33FromDiscord<Yardanico> In reply to @hamidb80 "uses tabnine?": Yes
12:47:57FromDiscord<Yardanico> https://forum.nim-lang.org/t/7242#45805
12:47:59FromDiscord<hamidb80> In reply to @Yardanico "Also, why don't you": some of them are fun
12:50:05FromDiscord<hamidb80> like "circle ci" ads
12:50:15FromDiscord<Kiloneie> i tried tabnine but idk it didn't seem immediately useful so i deleted it
12:50:58FromDiscord<Yardanico> it's actually really cool in that it can complete whole lines of code based on the context
12:51:10FromDiscord<Yardanico> That's why it's largely language agnostic
12:51:28FromDiscord<Kiloneie> btw could the compiler be improved to provide better ERROR info than invalid indentation when trying to add fields to a ref object of a ref object ? i had that problem yesterday and it took me like 2-3 minutes to figure out what the heck is going on xD...
12:52:21FromDiscord<Kiloneie> also why is this nim extension now made in Nim using ScreenWidth and ScreenHeight i put in comments being suggested to me by autocomplete instead of the actual constants i made as ScreenW and ScreenH
12:52:23FromDiscord<Kiloneie> !?
12:53:18FromDiscord<Yardanico> are you sure that they were suggested by the Nim extension and not VSCode itself?
12:53:45FromDiscord<Kiloneie> how can i know that ?
12:54:20FromDiscord<Yardanico> Check the icons on the left of autocompletion items
12:54:37FromDiscord<Kiloneie> well uhmm, why do i have both nim extensions installed lol...
12:54:59FromDiscord<Kiloneie> nimsaem is the Nim version right ?
12:55:23FromDiscord<Yardanico> yes
12:55:54FromDiscord<Kiloneie> pretty sure having both extensions installed makes them fight
12:56:09FromDiscord<Kiloneie> just like back in the olden days having 2 anti viruses installed makes them kill your pc !
12:56:35FromDiscord<Kiloneie> my dad did that... D:
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12:57:14FromDiscord<Kiloneie> what does this even do ? https://media.discordapp.net/attachments/371759389889003532/818829782501687306/unknown.png
12:57:30FromDiscord<Kiloneie> shouldn't work with Nim no ?
12:59:39FromDiscord<Kiloneie> this is what i meant earlier https://media.discordapp.net/attachments/371759389889003532/818830391402168340/unknown.png
13:00:22FromDiscord<Kiloneie> Don't mind my comments, that wall was 4x as big, i talk to myself xD
13:00:42FromDiscord<hamidb80> In reply to @Kiloneie "this is what i": that's not from nim extension
13:01:31FromDiscord<Kiloneie> becasue it says abc on the left and not Nim ?...
13:01:56FromDiscord<hamidb80> In reply to @Kiloneie "becasue it says abc": i guess
13:02:24FromDiscord<dk> In reply to @Kiloneie "shouldn't work with Nim": should
13:02:28FromDiscord<hamidb80> In reply to @Kiloneie "becasue it says abc": you can turn off nim extention and try again
13:02:39FromDiscord<hamidb80> (edit) "In reply to @Kiloneie "becasue it says abc": you can turn off nim extention and try ... again" added "it"
13:02:39FromDiscord<Yardanico> Just restart VSCode to check
13:02:51FromDiscord<Yardanico> In reply to @Kiloneie "this is what i": Yeah those are default VSCode autocompletions
13:02:58FromDiscord<Yardanico> Not from the Nim extension
13:03:17FromDiscord<Kiloneie> i figured it out
13:03:23FromDiscord<Kiloneie> this saem nim extension is the problem
13:03:40FromDiscord<Kiloneie> uninstalling it and using the previous most popular one gets me all the cool stuff
13:03:40FromDiscord<dk> propably not
13:03:51FromDiscord<Kiloneie> uninstalling it then using same one again gets me abc crap
13:03:52FromDiscord<mratsim> the cool bugs?
13:03:57FromDiscord<Yardanico> In reply to @Kiloneie "this saem nim extension": it works for me just fine
13:04:05FromDiscord<Yardanico> the problem's in your setup :P
13:04:20FromDiscord<mratsim> I deactivated nimsuggest and I've never been so well. Change my mind.
13:04:41FromDiscord<Kiloneie> how ? the one by Zaitsev auto works
13:04:45FromDiscord<Kiloneie> this one doesn't...
13:05:02FromDiscord<dk> In reply to @mratsim "I deactivated nimsuggest and": with some macros you don't even have a choice
13:05:42FromDiscord<Kiloneie> it's enabled https://media.discordapp.net/attachments/371759389889003532/818831916198920223/unknown.png
13:05:57FromDiscord<Kiloneie> https://media.discordapp.net/attachments/371759389889003532/818831975867088896/unknown.png
13:06:20FromDiscord<Yardanico> Check the nimsuggest log?
13:06:28FromDiscord<Kiloneie> uninstall and use the older extension https://media.discordapp.net/attachments/371759389889003532/818832106175463424/unknown.png
13:06:30FromDiscord<Yardanico> in vscode terminal tabs
13:07:03FromDiscord<Yardanico> Anyway, I still think it might be something wrong with your VSCode, that extension works fine for me :P
13:07:29FromDiscord<Kiloneie> it runs the program on F6
13:07:38FromDiscord<Kiloneie> but auto suggest/complete isn't doing crap
13:07:48FromDiscord<Kiloneie> which tab ?
13:07:49FromDiscord<dk> works on my machine
13:07:59FromDiscord<Kiloneie> hey are all empty
13:11:32FromDiscord<Yardanico> In reply to @Kiloneie "which tab ?": The bottom VSCode panel
13:11:42FromDiscord<Yardanico> You can select tabs there when you open it
13:12:06FromDiscord<Kiloneie> yeh only the normal output had anything
13:12:09FromDiscord<Kiloneie> im reainstalling
13:12:59FromDiscord<Kiloneie> okay but why does vs code remember what extensions i had and has them installed even though i uninstalled and reinstalled... bloody microsoft so sloppy...
13:13:34FromDiscord<Yardanico> In reply to @Kiloneie "okay but why does": You enabled VSCode sync?
13:13:40FromDiscord<Yardanico> it's off by default
13:14:21FromDiscord<Kiloneie> i don't remember doing it, but i recall seing that earlier
13:14:27FromDiscord<Kiloneie> anyways same thing...
13:15:58FromDiscord<Kiloneie> no it's off
13:16:08FromDiscord<Kiloneie> it says turn on settings sync
13:16:30FromDiscord<Kiloneie> uninstaller doesn't actually clean... just another sloppy uninstaller
13:16:42FromDiscord<Kiloneie> which is how windows xp pcs broke down usually
13:17:06FromDiscord<Kiloneie> cause every damn program shat everywhere including the register and never cleaned anything
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13:35:12FromDiscord<NickSeagull> sent a code paste, see https://play.nim-lang.org/#ix=2Sff
13:37:56FromDiscord<Araq> use `--gc:orc -d:useMalloc` and run it under valgrind. New code should always be developed with `--gc:orc`
13:38:21FromDiscord<Araq> every other GC is moribund anyway cough
13:39:41FromDiscord<konsumlamm> @Araq any plan when `--gc:orc` will become the default?
13:40:09FromDiscord<haxscramper> IIRC it was 1.6
13:41:16FromDiscord<Araq> plans change, the current plan is 1.6 ships with IC and then 2.0 makes --gc:orc the default
13:41:27FromDiscord<haxscramper> 2.0&
13:41:29FromDiscord<haxscramper> (edit) "2.0&" => "2.0?"
13:41:35FromDiscord<Araq> orc both needs and deserves the 2.0 IMO.
13:41:55FromDiscord<Araq> it breaks low level code that uses `cast` and shallowCopy
13:42:46FromDiscord<haxscramper> Ah oh, I just thought 2.0 wasn't even on the map for the foreseeable future
13:43:03FromDiscord<Araq> internally the new runtime is named `nimV2` fwiw
13:44:25FromDiscord<NickSeagull> In reply to @Araq "use `--gc:orc -d:useMalloc` and": Thanks, will try
13:46:08FromDiscord<NickSeagull> Compiled with `--gc:orc` the issue went away!
13:49:18FromDiscord<mratsim> and gc:v2 is now?
13:53:27FromDiscord<Araq> gc:v2 got removed in Nim devel iirc
13:54:29FromDiscord<Araq> @NickSeagull you should run under valgrind regardless
14:00:28FromDiscord<Rika> In reply to @arnetheduck "actually would be great": so why do we even bother with case insensitivity if we're going to discourage alternate spellings from the "norm"?
14:06:56FromDiscord<Araq> legacy and the usual "individual vs team" development modes. Individuals prefer freedom, teams prefer constraints
14:07:07FromDiscord<Araq> (generally speaking)
14:07:55FromDiscord<mratsim> Maintenance as well
14:08:36FromDiscord<mratsim> Frees the mind to think about other stuff. Which is the tole of a type system for example.
14:14:30FromDiscord<Araq> @Clyybber ! https://github.com/nim-lang/Nim/pull/17308 is the bomb
14:15:24FromDiscord<Clyybber> :)
14:15:45FromDiscord<Clyybber> (edit) ":) ... " added "thanks!"
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14:46:36FromDiscord<Rika> are new concepts under a switch or are they still unimplemented?
14:47:07FromDiscord<Clyybber> they are triggered by the new syntax
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14:49:05FromDiscord<Rika> can you link me the rfc again? i dont remember where it is
14:51:18FromDiscord<Clyybber> https://github.com/nim-lang/RFCs/issues/168 and the PR https://github.com/nim-lang/Nim/pull/15251
14:59:42FromDiscord<Rika> is there a define like "hasNewConcepts" or something so i can still build on older nim versions?
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15:00:59m4r35n357Hi Guys, getting a weird compiler error on the last two lines I added to a 90 line file ;) up until then it was clean. Error: ambiguous identifier: 'sqrt'
15:01:14FromDiscord<Rika> can you elaborate on the error
15:01:32m4r35n357Of course I claim it is not ambiguous ;) It seems to be having problems choosing between float64 and float32
15:01:55FromDiscord<flywind> !eval import math; echo sqrt(1)
15:01:57NimBotCompile failed: /usercode/in.nim(1, 23) Error: ambiguous call; both math.sqrt(x: float32) [declared in /playground/nim/lib/pure/math.nim(256, 8)] and math.sqrt(x: float64) [declared in /playground/nim/lib/pure/math.nim(257, 8)] match for: (int literal(1))
15:01:58FromDiscord<flywind> I think
15:02:02m4r35n357of the sqrt argument. I have three files set up on pastebin of anyone is up for it . .
15:02:02FromDiscord<mratsim> are you using it on an int?
15:02:24m4r35n357it is on a field of a tuple
15:02:26FromDiscord<mratsim> not a bug, use 1.0 or 1'f32
15:02:32m4r35n357a float field
15:02:56FromDiscord<mratsim> it's a literal though
15:03:05FromDiscord<mratsim> so it's not yet associated to a type
15:03:09FromDiscord<mratsim> you can paste just the line
15:03:59m4r35n357mratsim what line?
15:04:08m4r35n357my line?
15:04:27m4r35n357p.p_r = sqrt(p.R.val >= 0.0 ? p.R.val : - p.R.val)
15:04:43m4r35n357.val selects the field
15:05:26m4r35n357oh boy! cancel that!
15:05:40m4r35n357cut 'n' paste from c with wrong ternary ;)
15:05:42FromDiscord<Rika> also i cant seem to use the new concepts? getting `Error: undeclared identifier: 'self'` on `Nim Compiler Version 1.5.1 [Linux: amd64]; Compiled at 2021-02-27`
15:06:00FromDiscord<flywind> `Self`?
15:06:18FromDiscord<Rika> the rfc specifies undercase `self`
15:06:23FromDiscord<Rika> lowercase
15:06:25FromDiscord<Rika> im not ok
15:07:25FromDiscord<flywind> it's `Self` indeed
15:07:30FromDiscord<Rika> ???????? okay
15:07:39FromDiscord<Rika> what the heeeck okay
15:07:49FromDiscord<flywind> sent a code paste, see https://play.nim-lang.org/#ix=2SfQ
15:07:49m4r35n357OK sorry about that
15:07:58m4r35n357It works in Nim ;)
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15:52:41FromDiscord<Araq> @Rika I've updated the RFC
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16:13:04PMunchKeyboard firmware stream starting in 45 minutes :)
16:19:10FromDiscord<arnetheduck> In reply to @Rika "so why do we": It's a fantastic feature in code obfuscation contests 😆
16:23:49FromDiscord<konsumlamm> In reply to @Araq "<@259277943275126785> I've updated the": speaking of which, do you still plan to add `each` and `either`/`orelse`?
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16:30:20FromDiscord<Araq> not in the near future.
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16:31:17FromDiscord<Araq> ideally we find a different extension that can also infer (static) values
16:39:50FromDiscord<Clyybber> @Araq What is the reasoning behind https://github.com/nim-lang/Nim/pull/17255/commits/e08bb6d54c067cef35eaf7f3f225617f17af0daa ?
16:41:50FromDiscord<Araq> we don't `mixin` these symbols, we bind them
16:42:55FromDiscord<Araq> but it's giving me headaches, want to take over? 😛
16:43:12FromDiscord<Clyybber> heh, but it does work right?
16:43:37FromDiscord<Araq> well the test is green
16:43:42FromDiscord<Clyybber> I think the example in the manual needs adapting
16:43:57FromDiscord<Araq> but I'm waiting for @zahary to give me a better example
16:44:25FromDiscord<Araq> a more realistic one.
16:44:53FromDiscord<Clyybber> I see
16:45:22FromDiscord<Clyybber> I wonder if we should require those bind/mixin statements at all
16:46:11FromDiscord<Clyybber> bind should be for resolving syms at declaration context, and mixin to do the opposite right?
16:50:36FromDiscord<Clyybber> @Araq I think a simpler design (from a user perspective) is to include the declaration scope with the proc to take into account when resolving symbols of the instantiation, and then using bind to bind early, essentially excluding symbols from the instantiation context, wdyt?
16:50:50FromDiscord<Araq> there is an ongoing debate about this and IMHO declarations like these are required for sanity
16:52:01FromDiscord<Araq> you are describing Zahary's solution to the problem, I'm not convinced. I don't want to live in the world where I cannot remove "obviously" unused local procs because generic instantation will pick up these identifiers later, it's nuts.
17:02:15PMunchhttps://www.twitch.tv/pmunche <- Stream is live!
17:03:16FromDiscord<DARTHVADER NAXXX> PMunch E
17:03:25PMunchHuh?
17:03:32FromDiscord<DARTHVADER NAXXX> (edit) "E" => "E"
17:04:25federico3@Araq the new CVEs have been assigned - do you want to review the fixed advisories before publishing them? https://github.com/nim-lang/security/security/advisories/
17:07:42FromDiscord<queersorceress> @Yardanico well i got some answers https://github.com/jackhftang/threadproxy.nim/issues/2#issuecomment-794014770 /cc @mratsim (if you were curious)
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17:20:17FromDiscord<queersorceress> though it means i am not any closer to solving this, which is really disappointing. ugh. this might say something for the bias in type of programming that nim gets used for that this is looking more and more like i have to DIY this.
17:29:47*reversem3 sent a long message: < https://matrix.org/_matrix/media/r0/download/matrix.org/DtIlHzrLZnJuHfKbhGBCgCiw/message.txt >
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17:30:50FromDiscord<Araq> @federico, yes, I want to review it
17:31:20FromDiscord<Clyybber> In reply to @Araq "you are describing Zahary's": sent a code paste, see https://play.nim-lang.org/#ix=2Sgw
17:31:34FromDiscord<Clyybber> but it might be unused even if uses is used
17:31:59FromDiscord<Araq> maybe, but why make it worse
17:33:25FromDiscord<Clyybber> because it makes more sense, especially when you think about template expansion in generics. With the explicit approach you have to write down all symbols in a mixin/bind statement that you think the template might use
17:33:31FromDiscord<Clyybber> it doesn't compose well
17:34:38FromDiscord<Araq> you need to pass the symbols around much like you would need to do with any other kind of parameter. Parameters do compose
17:35:12FromDiscord<Clyybber> yeah
17:48:29reversem3Does anyone know of a script that if you highlight on a proc or method or function in one file the script can then show in every file?
17:51:43FromDiscord<zajrik> Is Nim able to do expressions spanning multiple lines? I can't seem to get it to work. I have a very long conditional I want to split up but I'm just getting invalid indentation errors
17:51:55FromDiscord<Clyybber> In reply to @Araq "maybe, but why make": I dont think it makes it worse. You have to follow the "test is unused when uses is unused" rule anyways with the old design too.↵It's a strict improvement from a user perspective IMO (maybe not for the compiler implementer :p)
17:52:58FromDiscord<haxscramper> In reply to @zajrik "Is Nim able to": sent a code paste, see https://paste.rs/dPc
17:53:13FromDiscord<zajrik> hmm
17:53:19FromDiscord<haxscramper> The line should end with an operator IIRC
17:53:33FromDiscord<zajrik> I've done just that but I'm still getting errors
17:53:34FromDiscord<Clyybber> In reply to @Clyybber "I dont think it": @Araq Although I can imagine saying "unexported symbols have to be explitly mixed/bound in"; would be a reasonable compromise IMO
17:54:08FromDiscord<haxscramper> In reply to @zajrik "I've done just that": My example works on playground so ... Can you show the code then to see the error?
17:54:33FromDiscord<Solitude> In reply to @zajrik "Is Nim able to": newline after binary operator
17:54:36FromDiscord<zajrik> https://i.imgur.com/mjIlgJr.png
17:54:56FromDiscord<zajrik> oops. I need to switch those !=s
17:55:07FromDiscord<zajrik> but that's not relevant to the error
17:55:22FromDiscord<zajrik> OH
17:55:24FromDiscord<Solitude> you have open paren
17:55:31FromDiscord<zajrik> Yeah I JUST saw that lmao
17:55:35FromDiscord<zajrik> as I tabbed back
17:55:47FromDiscord<zajrik> (edit) "back" => "back, while I was flipping those !=s"
17:56:14FromDiscord<zajrik> I feel like such a dummy now
17:56:53FromDiscord<zajrik> I had previously grouped the pos/posX/posY checks and scuffed up the paren removal I suppose lol
17:57:50FromDiscord<zajrik> I'm experienced, I swear :ablobsweats:
17:59:15FromDiscord<haxscramper> By the way, I think you can cut it down to something like `{ "id" : JString() .. } ?= config` if you use pattern matching, instead of writing `!=` checks
17:59:15FromDiscord<haxscramper> https://nim-lang.github.io/fusion/src/fusion/matching.html#matching-different-things-kvminuspairs-matching
18:00:46FromDiscord<haxscramper> !eval import std/[json]; import fusion/[matching]; echo { "id" : JString() } ?= %{"id": %"hello"}
18:00:49NimBottrue
18:01:17FromDiscord<zajrik> Ooh, I haven't actually looked into pattern matching yet
18:01:25FromDiscord<zajrik> I only saw the other day that that was finally being worked on
18:01:44FromDiscord<haxscramper> if if you want to avoid `?=` operator can also do `config.matches({ "id" : JString() })`
18:01:51FromDiscord<haxscramper> In reply to @zajrik "I only saw the": It is done and merged
18:02:00FromDiscord<haxscramper> Well, not "done" of course,
18:02:21FromDiscord<zajrik> Due for an official release soon though?
18:02:47FromDiscord<haxscramper> No, we had 1.4.4 couple (?) weeks ago, and there are no planned releases soon IIRC
18:03:16FromDiscord<haxscramper> And pattern matching is in fusion so it is not strictly tied to main nim versioning, it is just 'slightly more official' package
18:03:43FromDiscord<zajrik> In reply to @haxscramper "if if you want": Does this require fusion?
18:03:55FromDiscord<haxscramper> yes -`import fusion/matching`
18:03:59FromDiscord<mratsim> There is a `fission` pckage in-between third-party and fusion btw.
18:04:05FromDiscord<zajrik> Okay, cool. I'll give that a try
18:04:14FromDiscord<mratsim> it will be released in 22 days.
18:05:09FromDiscord<zajrik> I'll have to look into that as well
18:05:20FromDiscord<mratsim> 222 days from now is April 1st
18:05:24FromDiscord<mratsim> (edit) "222" => "22"
18:05:37FromDiscord<zajrik> sus
18:06:12FromDiscord<ache of head> 😳
18:06:18federico3@Araq: if you mention me @federico it's not triggering the highlight :)
18:06:33FromDiscord<zajrik> Not finding Fission in a google search, and the april first thing has me thoroughly convinced I've been pranked
18:08:55FromDiscord<mratsim> https://www.youtube.com/watch?v=dQw4w9WgXcQ
18:10:40FromDiscord<zajrik> In reply to @haxscramper "if if you want": Oh man, it's so much more pleasant https://i.imgur.com/UXw6JGH.png
18:12:09FromDiscord<haxscramper> Yeah. Though I just realized it is not possible to invert match (e.g. `"id": isnot JString()`), but I think I will have some time to fix this, because it is a clear oversight
18:12:50FromDiscord<zajrik> That would indeed be handy
18:15:08FromDiscord<zajrik> I'm glad I could help you come to this realization
18:16:13FromDiscord<haxscramper> sent a code paste, see https://play.nim-lang.org/#ix=2SgV
18:16:35FromDiscord<haxscramper> `template` to just avoid function call and instead inline everything into pattern
18:19:14FromDiscord<mratsim> Hello, Haskell my old friend. I've come with Applicative Functor <> again.
18:19:18FromDiscord<zajrik> is it possible to store this pattern in a variable for later use?
18:19:42FromDiscord<haxscramper> No, patterns cannot be stored in values at runtime
18:20:14FromDiscord<zajrik> Shoot, okay
18:20:37FromDiscord<haxscramper> I had https://github.com/haxscramper/nimtrs for this, but I'm not sure if it even works still
18:21:19FromDiscord<haxscramper> But that is basically the closest thing you could get for this - store pattern as a term, try to unify with it at runtime and see what happens
18:22:39FromDiscord<haxscramper> Turned out to be a super weird idea for the most part. Fascinating, but almost no useful applications, except for being v0.3 for `fusion/matching` ideas
18:24:24FromDiscord<haxscramper> And I overengineered this to a degree where I have triple-nested case objects
18:24:26FromDiscord<mratsim> At runtime, you need efficient coroutines.
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18:25:32FromDiscord<haxscramper> Why? It is very close to parser/regex, at leas in my implementation.
18:26:21FromDiscord<haxscramper> Some fail-fast optimization to select the only matching pattern to try and unifty with
18:26:28FromDiscord<haxscramper> (edit) "unifty" => "unify"
18:26:32FromDiscord<mratsim> It depends on whther you want to compose with other blocks: https://eli.thegreenplace.net/2009/08/29/co-routines-as-an-alternative-to-state-machines
18:27:23FromDiscord<mratsim> but lexing/parsing can be separated in code while interleaved in actual processing with coroutines (they were made for that in COBOL days in the 60s).
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18:28:02FromDiscord<haxscramper> There is no actual processing, I just unify two AST trees basically, and copy captures to the store
18:28:06FromDiscord<mratsim> if composition is needed but everything is known at instantiation time, views work as well.
18:28:31FromDiscord<mratsim> so many possibilities and API ....
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19:24:31FromDiscord<zajrik> I don't know why I can't get it into my head that it's `joinPath()`, not `pathJoin()`
19:24:38FromDiscord<zajrik> Every. Single. Time.
19:30:42FromDiscord<haxscramper> Just use `/`: https://nim-lang.org/docs/os.html#%2F%2Cstring%2Cstring
19:44:32FromDiscord<zajrik> :blobfacepalm:
19:45:21FromDiscord<zajrik> the number of helper operator procs is overwhelming sometimes lol. I always fail to read over them when reading the docs
19:45:30FromDiscord<zajrik> Thank you for that
20:05:19FromDiscord<Gary M> how's it going everyone
20:05:24FromDiscord<haxscramper> We have approximately 42 different operators in stdlib: `! !& ! !\ % %% & &= % = + +% += - -% -+- -= -> .. / /% /../ // /= < <% <-> <= <=% = == ? @ []= ^ {}= | !$ $ $$ `. And I also found `@||->` and `||->` in tests, as well as `||`, `|+|` in compiler code
20:05:59FromDiscord<haxscramper> Fusion also has `?=` and `:=`
20:09:14FromDiscord<Gary M> is there a way to add arguments to a nimble task?
20:09:17FromDiscord<haxscramper> And overall there are 149 different operators in all packages.
20:11:22FromDiscord<haxscramper> Yes
20:11:22FromDiscord<Solitude> In reply to @Gary M "is there a way": you can access them with paramStr
20:11:27FromDiscord<haxscramper> > Run flags are those after the task name and are available as command line arguments to the task. They can be accessed per usual from `commandLineParams: seq[string]`
20:11:28FromDiscord<Solitude> but they will be offset
20:11:57FromDiscord<Gary M> what do you mean offset
20:11:58FromDiscord<haxscramper> So you need to find your task name in argument list and then look for arguments from there
20:12:28FromDiscord<haxscramper> In reply to @Gary M "what do you mean": Arguments for nimble invocation are `nimble <compflags> task <runflags>`
20:12:37FromDiscord<haxscramper> You are only interested in the last part
20:12:44FromDiscord<haxscramper> `<runflags>`
20:12:52FromDiscord<Gary M> actually I wanted to allow additional compflags to the task
20:13:07FromDiscord<Gary M> like passing in extra defines
20:13:38FromDiscord<Gary M> because I use my tasks for building
20:13:56FromDiscord<haxscramper> You want to pass defines from task to the compiler? Or from user to the task?
20:14:11FromDiscord<Gary M> from user to task
20:14:35FromDiscord<Gary M> so like I have a task `nimble linux` which will build both the debug and release binaries
20:15:00FromDiscord<Gary M> but it would be nice if they could optionally specify something like `-d:wayland`
20:15:09FromDiscord<Gary M> without having to have another task
20:15:35FromDiscord<haxscramper> You need to get `<runflags>` in the task and then do whatever you want down the line
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20:16:21FromDiscord<haxscramper> sent a code paste, see https://play.nim-lang.org/#ix=2Shs
20:16:28FromDiscord<haxscramper> Something like that, but that is a pseudocode
20:16:43FromDiscord<Gary M> cool, I'll hack away at it.
20:16:48FromDiscord<haxscramper> (i.e. not tested myself)
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21:01:29FromDiscord<Gary M> is echo able to pass ANSI colors?
21:01:48FromDiscord<Gary M> like "\033[31mText Here"
21:02:59FromDiscord<haxscramper> Of course, though we have std/terminal for that sort of things
21:03:27FromDiscord<haxscramper> And \e escape is also supported IIRC
21:05:37FromDiscord<Gary M> In reply to @haxscramper "Of course, though we": well that's a better answer than I was looking for 😄
21:10:40FromDiscord<Gary M> lol welp, nimscript is failing because it doesn't know what 'stdout' is
21:12:18FromDiscord<haxscramper> If you have complicated logic sometimes it is just easier to write actual nim file and just `exec("nim r task_implementation.nim")`
21:12:44FromDiscord<Gary M> it's not super important, just unecessary eyecandy that I won't bother with 😄
21:12:49FromDiscord<Gary M> but that's good to know
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21:50:58FromDiscord<Gary M> I have to sequences of strings, and I don't care about performance at all
21:51:12FromDiscord<Gary M> I want to compare them like `if a in b:`
21:51:53FromDiscord<Gary M> like `if @["x", "y"] in @["x", "y", "z"]:`
21:52:15FromDiscord<Gary M> eh, guess I'll just make a shitty proc.
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22:06:14quantimnotAre there any tips for setting conditional breakpoints while debugging the compiler? I figured out I can use ``PContext.module.name.s`` and ``BProc.module.module.name.s`` to break when the module of interest is compiled.But, I would really like to break when a specific statement in the module is compiled. I don't see how to do that. Any clue?
22:27:50FromDiscord<CAA> Even if garbage collection turned off, how does nim handle memory management?
22:29:47FromDiscord<ElegantBeef> If you disable GC you have to manually free all allocated types,https://nim-lang.org/docs/gc.html tells you all you need to know
22:30:04FromDiscord<CAA> Is there a book I can read about how garbage collection works?
22:30:40FromDiscord<ElegantBeef> Well there are multiple GC solutions + the scoped memory management, but yes i assume there are books on it 😄
22:31:20FromDiscord<ElegantBeef> https://nim-lang.github.io/Nim/intern.html#the-garbage-collector also does explain the GC more in detail
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