00:17 <FromGitter> <picatz> @KCreate I've never touched rails myself.

00:17 <FromGitter> <picatz> ( late to the partayyy on that one / was in class )

01:30 <FromGitter> <elorest> @fridgerator I didn't check what the current test coverage was at before I said that. However there's an old joke in rails that no matter how many tests you have you always need 1% more.

01:51 <FromGitter> <domgetter> How do you convert an Int32 to a UInt32 ? `as` isn't working

01:55 <FromGitter> <mverzilli> https://crystal-lang.org/api/0.21.1/Int32.html#to_u32%3AUInt32-instance-method

01:56 <FromGitter> <fridgerator> @elorest lol, gotcha

06:19 <FromGitter> <Zhomart> Hi, how to get ENV variable on compile time?

06:22 <FromGitter> <Zhomart> found it, macro `env`.

14:27 <jokke> while requiring "spec2": can't find file 'spec2' relative to

14:27 <jokke> any idea what's going on here?

14:27 <jokke> i have spec2 in my deps and it's installed

14:27 <jokke> there's a spec2 dir in lib/

14:41 <jokke> happens with v 0.21.1

14:41 <jokke> (at least)

14:41 <jokke> fresh project from crystal init

14:43 <FromGitter> <mjago> @jokke I’ve seen that before. Have you left any source files open (in editor)

14:43 <jokke> yes

14:44 <jokke> well not anymore

14:44 <jokke> still get the message

14:44 <FromGitter> <mjago> That does stuff like that for me

14:44 <FromGitter> <mjago> *meant open and edited

14:45 <FromGitter> <mjago> try running crystal tool format . may find whats causing it

14:47 <jokke> Error:, couldn't format './lib/spec2/src/next/dsl.cr', please report a bug including the contents of it: https://github.com/crystal-lang/crystal/issues

14:48 <FromGitter> <mjago> hmm

17:01 <bmcginty> Anyone here interfaced with the libevent bits behind crystal? was looking to hook libcurl up that way. If not, it should be fun to learn.

17:16 <FromGitter> <bew> https://carc.in/#/r/1tx8

17:18 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vSwxv

17:18 <crystal-gh> crystal/master 4ba262d Ary Borenszweig: Fixed #4254: Module validation failed with default debug

17:18 <FromGitter> <bew> they are some issues when defining a macro named `dump`

17:19 <FromGitter> <bew> need to go, don't have time to open an issue, I'll do it later

17:30 <Renich> Hey, Cristalians! o/

17:30 <Renich> ... what a let down... Ubuntu based... :S

17:30 <adam12> \o

17:34 <FromGitter> <redcodefinal> I'm having issues adding instance methods to a struct after it's initialization.

17:36 <FromGitter> <redcodefinal> My icr output ⏎ ⏎ ```code paste, see link``` [https://gitter.im/crystal-lang/crystal?at=58e7ce2708c00c092a5adece]

17:46 <DavidAlexander[m> renich: There has been some effort into cross-compiling and putting it on Alpine, but no joy so far with MUSL

17:48 <DavidAlexander[m> test

17:55 <Renich> DavidAlexander[m: well, that sounds much better.

17:55 <Renich> I hope some progress can be made on that regard

17:56 <Renich> what is the MUSL test, btw?

17:56 <Renich> ok, libc test; found out

18:04 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vSrv5

18:04 <crystal-gh> crystal/master 2229513 Ary Borenszweig: WeakRef: use instance_sizeof in allocate

18:35 <FromGitter> <drosehn> @bew : I expect the problem is because within macros, there is an instance-method named debug. Though obviously the messages that the compiler to an attempt to define a new `macro dump` could be more helpful! I wonder if there would be similar errors for other methods defined for use with macros: https://crystal-lang.org/api/Crystal/Macros.html

18:36 <FromGitter> <drosehn> *(I wrote that some time ago, but forgot to hit `return`...)*

18:51 <FromGitter> <redcodefinal> What does the star mean at the beginning of the arguments definition in this method def? ⏎ ⏎ ``` def initialize(*, r : Int32, g : Int32, b : Int32)``` [https://gitter.im/crystal-lang/crystal?at=58e7dfc94cb8d091736ba881]

18:58 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vSrqk

18:58 <crystal-gh> crystal/master d3ae522 Ary Borenszweig: Fixed #4249: parse error with macros with %{}

19:01 <BlaXpirit> redcodefinal, all arguments after star cannot be positional arguments

19:02 <BlaXpirit> which seems like just an annoying limitation, badly used in this case

19:04 <FromGitter> <redcodefinal> @BlaXpirit do you mean that i can't call this method like `Aclass.new(r=1,b=2,g=3)`?

19:04 <BlaXpirit> redcodefinal, no that you can't call it Aclass.new(1,2,3)

19:04 <BlaXpirit> https://github.com/crystal-lang/crystal/pull/2580#issuecomment-218612032

19:05 <FromGitter> <redcodefinal> @BlaXpirit oh so I have to use `(r=1` etc etc

19:05 <BlaXpirit> yes

19:05 <FromGitter> <redcodefinal> Cool ty for the tip that would have driven me up a wall to try to figure out why that wasn't working the way I wanted

19:06 <FromGitter> <asterite> `r: 1, g: 2, b: 3` (instead of `=`)

19:06 <FromGitter> <redcodefinal> ty @asterite

19:06 <FromGitter> <redcodefinal> oh btw anyone here going to the Crystal CodeCamp in san fran?

19:37 <FromGitter> <sdogruyol> @redcodefinal i am going

19:41 <KCreate> Hey everyone, is there a way to check if a type is defined at compile time?

19:42 <KCreate> maybe via macro?

19:44 <BlaXpirit> i think not

19:45 <BlaXpirit> they'd tell you that you're not supposed to need this

19:46 <Yxhuvud> may be needed eventually so easen up to simplyfy depending on having any of multiple different libs

19:47 <Yxhuvud> (wtf sentence building)

20:10 <BlaXpirit> lol

20:58 <FromGitter> <chuckremes> question… I have created a record like so: `record GreetCommand, name : Symbol = :greet` and then created a channel to send it down like so: `ch = Channel(GreetCommand).new(2)

21:00 <FromGitter> <chuckremes> Hmmm, while rubber ducking this here I may have a solution… never meind for now :)

21:03 <FromGitter> <chuckremes> solved it (for now).

21:23 <FromGitter> <chuckremes> Just spiked a (very) simple proof-of-concept for doing actors in crystal a la ruby’s `celluloid` gem. It’s rough and all of the dynamically generated code produced by ruby was hand written, but it works. I now need to clean it up and dive into the `macro` system to see how to generate/write classes at compile time.

21:23 <FromGitter> <chuckremes> neat language (and fast!)

21:24 <FromGitter> <chuckremes> time for a well deserved adult beverage. have a nice weekend.

22:59 <FromGitter> <jwoertink> Anyone know what the crystal equivalent would be of this ruby code?

22:59 <FromGitter> <jwoertink> ```2.3.3 :084 > Marshal.dump("abc") ⏎ => "\x04\bI\"\babc\x06:\x06ET" ``` [https://gitter.im/crystal-lang/crystal?at=58e819d1f22385553d1cef26]

23:37 <FromGitter> <bew> @drosehn I don't think thats what you described (or I didn't understood...), see my issue #4257

23:37 <DeBot> https://github.com/crystal-lang/crystal/issues/4257 (Macro `dump` breaks compilation )

23:50 <FromGitter> <bew> @jwoertink if you want to do (de)serialization of classes state you can use to/from_json/yaml... If you need byte level (de)serialization you should go with

23:50 <FromGitter> <bew> https://github.com/benoist/msgpack-crystal

23:51 <FromGitter> <jwoertink> Cool. That's what I figured

23:52 <FromGitter> <bew> Roughly, the Crystal version would be `"abc".to_json` or sth :smile:

23:53 <FromGitter> <jwoertink> haha. Not quite, but I'm running with that anyway

23:54 <FromGitter> <jwoertink> Thanks for the msgpack suggestion!

23:57 <FromGitter> <bew> You're welcome! There is also a BSON lib (https://github.com/jeromegn/bson.cr) but the last commit is 11 month ago, and does not compile with current crystal version last time I checked :worried:

23:57 <FromGitter> <jwoertink> yikes. Yeah. JSON will work for now. It will limit the users, but not in a horrible way

23:57 <FromGitter> <jwoertink> and things will always progress later anyway