#crystal-lang on 2021-01-25 — irc logs at freenode.irclog.whitequark.org

2020-06-19 19:09 jhass changed the topic of #crystal-lang to: The Crystal programming language | https://crystal-lang.org | Crystal 0.35.1 | Fund Crystal's development: https://crystal-lang.org/sponsors | GH: https://github.com/crystal-lang/crystal | Docs: https://crystal-lang.org/docs | Gitter: https://gitter.im/crystal-lang/crystal

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01:42 <FromGitter> <watzon> @oprypin:matrix.org what are the advantages of using that over using the crystallang/crystal container?

01:43 <FromGitter> <Blacksmoke16> it can install on windows & is independent of the OS/image currently used by the official images

01:43 <FromGitter> <oprypin:matrix.org> @watzon: https://forum.crystal-lang.org/t//2837

01:44 <FromGitter> <watzon> Ahh awesome. I like. I'll switch my projects over.

01:44 <FromGitter> <watzon> Speaking of Windows, anyone know what it's like to use Crystal on Windows natively right now?

01:45 <FromGitter> <watzon> Have we gotten anywhere?

01:46 <oprypin> watzon, ye it works, just cant use stdlib networking or any long-running IO

01:46 <FromGitter> <watzon> Does concurrency function?

01:47 <oprypin> typically not

01:47 <oprypin> all of https://github.com/oprypin/crystal-imgui-sfml works tho ᕕ( ᐛ )ᕗ and i have a cool abandoned game prototype working just fine

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04:10 <FromGitter> <mattrberry> @watzon Any chance you know how to interpret massif output? I'm not sure exactly what I'm looking at haha :p https://pastebin.com/raw/9rTHYhuM

04:10 <FromGitter> <mattrberry> https://cdn.discordapp.com/attachments/466418871210082325/803113768673476659/unknown.png

04:50 <FromGitter> <watzon> Not really @mattrberry lol. That's why I suggest using massif-visualizer if you're on Linux.

04:50 <FromGitter> <watzon> The world could use a web based visualizer, but I know a lot of people don't even know about massif

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06:22 <FromGitter> <grkek> what the fuck is massif

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07:51 <FromGitter> <gunn> Can anyone help me get crystal working?

07:52 <FromGitter> <gunn> I installed it on mac with `brew install crystal`

07:53 <FromGitter> <gunn> `crystal -v` works fine and tells me I have 0.35.1 on LLVM: 9.0.1

07:53 <FromGitter> <gunn> But actually trying to use it fails like so:

07:53 <FromGitter> <gunn> ```code paste, see link``` [https://gitter.im/crystal-lang/crystal?at=600e7903dfdbc1437fae9366]

07:54 <FromGitter> <gunn> :(

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13:15 <raz> gunn: not sure what's up with that (i think it normally work). but fwiw, i prefer `asdf` to manage crystal versions for me. `brew install asdf`, `asdf plugin add crystal`, `asdf install crystal 0.35.1`

13:16 <raz> (it can also manage ruby, node and a million other things - it's handy to have one tool for all)

13:40 <FromGitter> <Blacksmoke16> Try clearing cache

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23:21 <FromGitter> <jrei:matrix.org> Too bad, this does not work`StaticArray(User?, 4_u8)`

23:21 <FromGitter> <jrei:matrix.org> I mean: `StaticArray(User?, 4).new { nil }`

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23:47 <FromGitter> <Blacksmoke16> what doesnt work about it?

23:48 <FromGitter> <jrei:matrix.org> > In /usr/share/crystal/src/static_array.cr:68:28 ⏎ ⏎ 68 | array.to_unsafe[i] = yield i ⏎ ⏎ ``` ^``` ... [https://gitter.im/crystal-lang/crystal?at=600f58cea2354e44aca99b06]

23:49 <FromGitter> <Blacksmoke16> The latter one works tho

23:49 <FromGitter> <jrei:matrix.org> Opp missed the `4_u8`

23:49 <FromGitter> <jrei:matrix.org> Oops

23:50 <FromGitter> <jrei:matrix.org> anyway I changed to regular `Array(User).new 4`

23:51 <FromGitter> <Blacksmoke16> What's the use case? That value just represents the size

23:51 <FromGitter> <Blacksmoke16> Wouldn't a tuple be better?

23:51 <FromGitter> <jrei:matrix.org> no, it needs to be mutable

23:52 <FromGitter> <jrei:matrix.org> Anyway I found a workaround

23:52 <FromGitter> <jrei:matrix.org> and I did got an issue of StaticArray being a struct too

23:52 <FromGitter> <Blacksmoke16> Ahh, was thinking static array was immutable

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23:53 <FromGitter> <Blacksmoke16> Can't just use a non u8?

23:53 <FromGitter> <jrei:matrix.org> yeah, I then use `to_u8`

23:54 <FromGitter> <Blacksmoke16> Or just call .to_i on the u8

23:54 <FromGitter> <jrei:matrix.org> ?

23:55 <FromGitter> <jrei:matrix.org> better just writing `4` then

23:55 <FromGitter> <Blacksmoke16> Right

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