#crystal-lang on 2020-11-11 — 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

00:24 <FromGitter> <Blacksmoke16> confirmed there isnt ^

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01:55 V[excess] is now known as ^

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03:22 <FromGitter> <Blacksmoke16> @naqvis `\r\n\r\n` doesnt work for chunked responses :S

03:24 <FromGitter> <Blacksmoke16> now to think of plan b

03:57 <FromGitter> <Blacksmoke16> ```code paste, see link``` [https://gitter.im/crystal-lang/crystal?at=5fab611bc10273610afae8a8]

03:57 <FromGitter> <Blacksmoke16> seems to be working

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04:25 <FromGitter> <Blacksmoke16> ```code paste, see link``` [https://gitter.im/crystal-lang/crystal?at=5fab67c5dc70b5159a053457]

04:25 <FromGitter> <Blacksmoke16> not needing the server really makes the tests faster

05:10 <oprypin> @Blacksmoke16: isn't there like inherited_classes or something. which may include modules

05:12 <oprypin> im sure I've seen something! but can't find

05:12 <FromGitter> <naqvis> @Blacksmoke16 yeah, not starting/stopping nework server is definitely going to fasten things up

05:13 <oprypin> >> module M; end; class C; include M; end; p {{C.ancestors}}

05:13 <DeBot> oprypin: Error: you've found a bug in the Crystal compiler. Please open an issue, including source code that will allow us to reproduce the bug: https://github.com/crystal-lang/crystal/issues - https://carc.in/#/r/9y28

05:15 <oprypin> um what

05:16 <oprypin> anyway @Blacksmoke16 yes it's `ancestors` https://carc.in/#/r/9y2b

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06:07 <FromGitter> <HertzDevil> that's #9667

06:07 <DeBot> https://github.com/crystal-lang/crystal/issues/9667 ({{ @type.name.stringify }} at /usr/lib/crystal/class.cr:149:11 should have been expanded)

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09:27 <oprypin> what is this line doing? https://github.com/crystal-lang/shards/blob/9c2f7123a8bb2ac9cee96bd8349bc6a6f56c6419/.circleci/config.yml#L15

09:36 <oprypin> any why the f does it redirect me to log in https://app.circleci.com/jobs/github/crystal-lang/shards/1085

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10:36 <Andriamanitra> it would be nice to have something like this (similar to apidock) on the righthand side in the api documentation: https://i.imgur.com/VfSUSpG.png

10:36 <Andriamanitra> just a short userscript to implement yourself but having it available by default would be great

10:46 <oprypin> Andriamanitra, u mean like https://oprypin.github.io/crsfml-mkdocstrings/api/graphics/BlendMode.html ?

10:46 <Andriamanitra> oprypin: yeah, something like that

10:46 <oprypin> note that my link is crystal ;)

11:38 <Andriamanitra> i'm trying to understand how to iterators... shouldn't this work? https://carc.in/#/r/9y3n

11:39 <Andriamanitra> i don't understand how compiler thinks it can be Iterator::STOP when i thought i just checked that it's not :(

11:41 <FromGitter> <HertzDevil> 1) it's `includes?`, not `include?`

11:41 <FromGitter> <HertzDevil> 2) equality check isn't enough

11:41 <FromGitter> <HertzDevil> you have to do `!(line=iter.next).is_a?(Iterator::Stop)`

11:42 <FromGitter> <HertzDevil> 3) just use `iter.each do |line|` directly

11:43 <Andriamanitra> yeah i'm just trying to understand how it works, not actually using them for anything, thanks :)

11:45 <Andriamanitra> does this mean i need to always use #is_a? if i want the compiler to know things? i think i tried something like typeof(x) != Iterator::Stop too and that didn't work either

12:02 <oprypin> Andriamanitra, mostly. see https://crystal-lang.org/reference/syntax_and_semantics/if_var.html onwards

12:09 <Andriamanitra> oprypin: thanks.. i must have skipped that section thinking "lol i know what an if statement is" :p

12:10 <oprypin> :p

13:35 <FromGitter> <Blacksmoke16> oprypin wouldn't that also include parent classes?

13:37 <FromGitter> <Blacksmoke16> https://carc.in/#/r/9y45 oo there we go

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13:49 <FromGitter> <Blacksmoke16> but pivoted a bit and dont actually need it :/

13:49 <FromGitter> <Blacksmoke16> would have been too brittle

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17:26 <chloekek> Have sought long for a language with this feature set: AOT compilation, extensive stdlib, fibers, helpful type system. But for some reason never considered Crystal. So I’m very excited!

17:26 <FromGitter> <Blacksmoke16> welcome

17:38 <oprypin> wow i think i'm actually going to use this https://github.com/crystal-lang/crystal/blob/fd5e53f922b63fccb2bb34cfe40c27b160cfb9c4/src/compiler/crystal/tools/playground/agent_instrumentor_transformer.cr instead of exceptions on Windows 😂

17:39 <oprypin> got a bit tired of no stacktraces

17:56 <oprypin> yes it works

17:57 <oprypin> now how to integrate a code transformer into crystal by default

17:58 <FromGitter> <wyhaines> oprypin: Drop an example in carc.in of how you are using it?

17:59 <oprypin> wyhaines, https://carc.in/#/r/9y5b

18:00 <FromGitter> <oprypin> output: ⏎ ⏎ ```code paste, see link``` [https://gitter.im/crystal-lang/crystal?at=5fac26dad37a1a13d69dfcc8]

18:01 <oprypin> the point is i can get a history of the last-hit line numbers

18:01 <oprypin> and possibly a linenumber based "stack trace"

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19:42 <oprypin> lol i only forgot that this instrumenter has a tons of bugs in edge cases and now i want to feed the whole code base to it

19:49 <oprypin> :(

20:49 <FromGitter> <Blacksmoke16> rip

21:12 <chloekek> Finally gave Crystal a try. Wrote a little program to fetch weather forecasts and the experience was superb.

21:12 <FromGitter> <Blacksmoke16> 💯

21:12 <FromGitter> <Blacksmoke16> good to hear

21:13 <chloekek> :3

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21:57 <FromGitter> <ImAHopelessDev_gitlab> i love how we can add a property to a class in another file by just overriding the class. whoever thought of this is amazing

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22:18 <chloekek> Free-form code organization is good.

22:18 <FromGitter> <Blacksmoke16> is worth some thought tho

22:19 <FromGitter> <Blacksmoke16> just blindly doing that all the time is prob not the best practice

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22:28 <Stephie> rip my crystal forums header theme, died to css changes

22:43 <FromGitter> <ImAHopelessDev_gitlab> @Blacksmoke16 :D

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