<< 12-04-2026 >>
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09:38:48FromDiscord<crochubourbier> youre using the latest version of nimlsp ?
09:39:42FromDiscord<crochubourbier> for me it often crashes and leaves ghost processes but it kinda works (except when you use certain experimental features such as strictNotNil)
09:40:22FromDiscord<crochubourbier> ive set it up to automatically restart when it crashes
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10:28:13FromDiscord<luii.js> What nim expectation do you recommend in VsCode?
10:28:31FromDiscord<luii.js> VsCode'ta ne eklentisini önerirsiniz?
10:28:46FromDiscord<luii.js> What plugin do you recommend on VsCode?
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15:09:26FromDiscord<System64 ~ Flandre Scarlet> In reply to @crochubourbier "youre using the latest": Is it bundled with the latest version of Nim?
15:15:09FromDiscord<crochubourbier> It works with 2.2.6, latest stable version
15:15:22FromDiscord<crochubourbier> yes its bundled with nim
15:15:59FromDiscord<crochubourbier> (edit) "yes its" => "yes, nimsuggest is" | "yes, nimsuggest isbundled with nim ... " added "but you have to install nimlsp via nimble"
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16:16:04FromDiscord<jabuci> Value semantics and reference semantics in Nim caused some difficulties to me after Python. I was surprised when I figured out that `seq` is not 100% equivalent to Python's `list`. So I wrote a post about value types here: https://arato.inf.unideb.hu/szathmary.laszlo/pmwiki/index.php?n=Nim2.20260412a . Could someone check if it's correct? Did I understand this topic correctly?
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16:29:20FromDiscord<planetis_m> In reply to @jabuci "Value semantics and reference": > The string has value semantics, so when you pass a string to a proc, in theory, a copy is made of it. However, in practice, the compiler will often optimize away the copy and pass a hidden const pointer instead. But this is an optimization of the compiler.↵↵That is not true, there's never a copy been made.
16:29:50FromDiscord<planetis_m> Its always passed as a hidden pointer and its not const
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16:33:50FromDiscord<planetis_m> Its more nuanced than that. We need to distinguish passing the string object vs the underlying heap-allocated data.
16:35:00FromDiscord<planetis_m> Might as well leave that information out and just say that is passed to the function in the most efficient way
16:38:05FromDiscord<jabuci> When we pass a primitive type, an `int` for instance, then a copy is made of it. What about passing a string, seq, array, object ? If they are assigned to a `let` variable on the formal parameter list, are they always passed via a hidden pointer? But is that just an optimization? In theory, shouldn't they be passed by value since they have value semantics?
16:39:24FromDiscord<planetis_m> The object which is just a length+ pointer pair is passed to the function in this case by copy, but the compiler has a 3 times size of float as a decision boundary to choose copy or hidden pointer. The underlying heap data are a matter of how destructors work.
16:40:24FromDiscord<planetis_m> And a copy might be triggered only when using sink string parameter
16:44:04FromDiscord<planetis_m> ...and assignment ofc
16:50:50FromDiscord<planetis_m> String literals are a special case and will trigger a =dup in certain cases that vars don't. But let's not mind that
16:55:14FromDiscord<jabuci> Thanks, but some things are still not clear: What about passing a string, seq, array, object ? If they are assigned to a `let` variable on the formal parameter list, are they always passed via a hidden pointer? Is that just an optimization? In theory, shouldn't they be passed by value since they have value semantics?
17:00:34FromDiscord<planetis_m> In reply to @jabuci "Thanks, but some things": I don't think there's any difference between let and var, its just type checking, the first prevents being passed as a var argument
17:04:51FromDiscord<planetis_m> And the reassignment protection as you correctly point out
17:08:43FromDiscord<planetis_m> So that part about const pointers is also not true. I doubt there's any place that const is generated. Maybe via emit and similar
17:10:18FromDiscord<jabuci> If I remove "const" and just say "via a hidden pointer", is that correct?
17:11:51FromDiscord<planetis_m> I don't think so, you can experiment with --expandarc:main and put stuff in main and see what is generated
17:16:02FromDiscord<planetis_m> I would just keep it at "most efficient way" until destructors and move semantics are presented. Or just talk about plain data only that is int/uint/bool/enum types and arrays and objects that consist only of these types. And explain the > 3size of(float) use hidden pointer else pass by value rule
17:18:51FromDiscord<jabuci> Thanks! I'll think over how to rework it.
17:20:57FromDiscord<planetis_m> In reply to @planetis_m "I would just keep": ptr T as well! When there's no custom destructor attached
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21:58:25FromDiscord<System64 ~ Flandre Scarlet> I don't think it's normal I can't install nimlangserver https://media.discordapp.net/attachments/371759389889003532/1493007408606351441/message.txt?ex=69dd6700&is=69dc1580&hm=3bf8de1790962f9c5693a9cec610d86c973d58206d89ab581433152f0e614f79&
21:59:27FromDiscord<System64 ~ Flandre Scarlet> In reply to @crochubourbier "It works with 2.2.6,": Isn't latest stable 2.2.8?
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22:59:52FromDiscord<crochubourbier> I dont think so, when doing choosenim stable it installs 2.2.6
23:00:24FromDiscord<crochubourbier> anyway im sure that nimlsp is working on 2.2.6, not 2.2.8
23:00:57FromDiscord<crochubourbier> In reply to @sys64 "I don't think it's": you need nimlsp from pmunch, nimlangserver doesnt work above 2.0.4
23:02:29FromDiscord<System64 ~ Flandre Scarlet> In reply to @crochubourbier "you need nimlsp from": I simply did nimble install nimlsp↵But the extension waits for Nimlsp https://media.discordapp.net/attachments/371759389889003532/1493023527970804004/image.png?ex=69dd7604&is=69dc2484&hm=e1267930450ceca616affa1d16b91f98b764e4615da68c83ab0d368105395a58&
23:02:34FromDiscord<System64 ~ Flandre Scarlet> (edit) "Nimlsp" => "Nimlangserver"
23:03:51FromDiscord<crochubourbier> oh okay, maybe wrong extension then ? Im using neovim so I just installed nimlsp
23:04:14FromDiscord<System64 ~ Flandre Scarlet> The official one https://media.discordapp.net/attachments/371759389889003532/1493023967412486356/image.png?ex=69dd766c&is=69dc24ec&hm=25829dc243ee5da493de59e7edce10167999d98b34dc47c7e2fe01dacba0b9fe&
23:04:22FromDiscord<crochubourbier> or maybe you can configure it to use nimlsp instead
23:04:51FromDiscord<crochubourbier> it seems wierd because nimlsp is the official one
23:05:26FromDiscord<crochubourbier> (edit) "it seems wierd because nimlsp is the official one ... " added "from what I've understood"
23:06:25FromDiscord<crochubourbier> mb try to rollback to 2.0.4 then if this can be an option for your project
23:06:57FromDiscord<crochubourbier> nimlangserver will work fine
23:10:51FromDiscord<nasuray> In reply to @crochubourbier "I dont think so,": https://nim-lang.org/blog/2026/02/23/nim-228.html
23:12:42FromDiscord<nasuray> In reply to @crochubourbier "it seems wierd because": The official lsp? To the extent there is an official language server it would be https://github.com/nim-lang/langserver
23:12:59FromDiscord<okzyrox> In reply to @sys64 "I simply did nimble": You can set in the settings to target a specific executable, although I don't know if it'd work with `nimlsp` https://media.discordapp.net/attachments/371759389889003532/1493026175138660422/image.png?ex=69dd787b&is=69dc26fb&hm=a6e24b9edc66b2a8af222e92285e6a16ec37ceed6e0754c63d1200e8fe68693f&
23:13:07FromDiscord<okzyrox> You'd just have to put the path of nimlsp executable
23:14:40FromDiscord<crochubourbier> In reply to @nasuray "The official lsp? To": my bad, I thought nimlsp was the official one because it was made by PMunch
23:15:45FromDiscord<crochubourbier> and also because it was more recently updated than nimlangserver
23:17:13FromDiscord<crochubourbier> nimlangserver is kinda outdated, I didnt manage to build it nor make it work above 2.0.4
23:18:04FromDiscord<nasuray> In reply to @crochubourbier "my bad, I thought": No offense to Pmunch but why would that make it "official"
23:18:25FromDiscord<crochubourbier> thought he was part of the nim team
23:18:59FromDiscord<crochubourbier> bc ive seen his name a lot in nim repos
23:19:33FromDiscord<crochubourbier> dunno 😂
23:20:55FromDiscord<crochubourbier> he also made futhark
23:22:17FromDiscord<nasuray> He is quite prolific and nimlsp may work better for you so by all means keep using whichever one works!
23:42:24FromDiscord<System64 ~ Flandre Scarlet> In reply to @okzyrox "You'd just have to": Like this? https://media.discordapp.net/attachments/371759389889003532/1493033576827195392/image.png?ex=69dd7f5f&is=69dc2ddf&hm=01cdb2c8c7b5a1fd7b455e21b8bf8e159775084aa9e78c10d07b45e2e27d91d1&
23:46:44FromDiscord<System64 ~ Flandre Scarlet> https://media.discordapp.net/attachments/371759389889003532/1493034664925991012/image.png?ex=69dd8063&is=69dc2ee3&hm=394fc419b87911ade190052740a0c94d0a64cd713b38f3c6e118b332c0f03985&
23:48:09FromDiscord<System64 ~ Flandre Scarlet> Pretty weird https://media.discordapp.net/attachments/371759389889003532/1493035019894001694/message.txt?ex=69dd80b7&is=69dc2f37&hm=e2d097e382acfbd3d30194f93bfa98cbb27349260c8d737efd665ba71cd9363e&