<FromGitter>
<elorest> Everytime I run shards install this week on any projects with a database I get `Error resolving db (*, ~> 0.4.0, ~> 0.4.0, ~> 0.3.1)` Has anyone else seen this. A couple weeks ago this seemed fine.
<FromGitter>
<elorest> Here's an example of something I didn't write that fails with the same error.
<FromGitter>
<jwoertink> What's the best way to track this down?
<FromGitter>
<fridgerator> @elorest that is strange
<FromGitter>
<elorest> Ok finally fixed it. Ended up having to point it at master
<FromGitter>
<elorest> It claims it's been bumped to 0.8.2 but there's not tag created for that. so when I tell it to use that version it still doesn't.
<kodo[m]>
There a quick way to go from array to tuple?
<FromGitter>
<tjgillies> I was gonna pass in 1,2,3 as an arg
<FromGitter>
<tjgillies> I was get confused on how splats deconstruct
<FromGitter>
<tjgillies> always*
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<FromGitter>
<jwoertink> Before I fall down this rabbit hole, is this a normal thing when it comes to C lib bindings? I have this function that returns a struct, that struct has a reference to another struct, and that one references another one and so on... At this point I'm re-implementing every single one.
<FromGitter>
<jwoertink> If I have to call it in Crystal, then I have to define it, right? How does crystal know when to call the things in the actual C lib?
<FromGitter>
<jwoertink> like, can I implement half of one of these structs, an crystal will know how to access the other half when it needs it?
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<crystal-gh>
[crystal] huacnlee opened pull request #4213: Rename `secure_random.cr` to `securerandom.cr` for keep same behavior as Ruby (master...rename-securerandom) https://git.io/vSGDN
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<FromGitter>
<mjago> @jwoertink you around?
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<FromGitter>
<mjago> @jwoertink I took a look at SDL_Mixer.h and turns out Mix_LoadWAV() is a C macro so you can’t use that.
<FromGitter>
<mjago> You need to use Mix_LoadWAV_RW instead.
<crystal-gh>
[crystal] ysbaddaden closed pull request #4213: Rename `secure_random.cr` to `securerandom.cr` for keep same behavior as Ruby (master...rename-securerandom) https://git.io/vSGDN
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<crystal-gh>
[crystal] ysbaddaden opened pull request #4215: Fix: compilation against OpenSSL 1.1.0 (master...std-fix-openssl-110) https://git.io/vSZv1
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<FromGitter>
<hbakhtiyor> does anyone know any mature open source projects base on crystal?
<FromGitter>
<KCreate> The compiler itself? :P
<FromGitter>
<KCreate> Kemal also comes to mind
<FromGitter>
<hbakhtiyor> something web projects :)
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<FromGitter>
<luislavena> @hbakhtiyor can you define mature?
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<FromGitter>
<crisward> I think of mature as used lots of production. Not sure you could say that about anything in crystal land yet.
<FromGitter>
<KCreate> The answer is very subjective. But basically if the software can answer to most of these criteria (in no order of importance): ⏎ ⏎ secure ⏎ reliable ⏎ actively maintained ... [https://gitter.im/crystal-lang/crystal?at=58dd08ee7ea420cc421ecac0]
<FromGitter>
<KCreate> However I disagree with mature software needing to have an active community
<FromGitter>
<sdogruyol> kinda
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<vegai_>
C is very mature, but I'd rather not use it anywhere :)
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<crystal-gh>
[crystal] asterite closed pull request #4206: Use well known non-existent name for socket specs (master...feature/socket_spec_hostnames) https://git.io/vSOqF
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<FromGitter>
<hbakhtiyor> ok, without mature :D but actively maintaining and production-ready
<FromGitter>
<jwoertink> @mjago Thanks for the help! I've updated my code to use what you suggested, and got rid of that C macro. The code still fails for me though
<FromGitter>
<jwoertink> oh, actually, I get the same error after renaming it to `SoundType`
<FromGitter>
<jwoertink> Are you building on macOS, or on linux? @mjago
<FromGitter>
<mjago> mac os
<FromGitter>
<mjago> its complaining for me since Type is already defined in my mixer.cr as is alias Init
<FromGitter>
<jwoertink> Yeah, I renamed `SDL::Mixer::Type` to `SDL::Mixer::SoundType`, but I still get the same error. Maybe I'm just missing some lib
<FromGitter>
<jwoertink> oh that's weird. Do crystal alias carry across modules?
<FromGitter>
<mjago> This is how i installed sdl2_mixer… brew install sdl2_mixer --with-flac --with-fluid-synth --with-libmikmod --with-libmodplug --with-libvorbis --with-smpeg2
<FromGitter>
<mjago> I had problems before that
<FromGitter>
<jwoertink> Ok, that's how I installed too.
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<FromGitter>
<jwoertink> alright, I'll rename the alias, and the enum to be specific for this
<FromGitter>
<jwoertink> Ok. pushed that up. Doesn't fix my issue, but maybe it'll fix yours?
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<FromGitter>
<jwoertink> ah! You know what? I'm calling `Mix_PlayChannel` which is a macro. Gonna fix that
<FromGitter>
<mjago> Ah that will do it!
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<FromGitter>
<jwoertink> Awesome! They all play now :D
<FromGitter>
<jwoertink> Thanks for your help @mjago
<FromGitter>
<mjago> your welcome. You should be able to put Type and Init back - that was something at this end
<FromGitter>
<jwoertink> ok, cool. I'll revert those. It's nice to keep them consistent with the other APIs
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<FromGitter>
<mjago> Are you running a sample?
<FromGitter>
<jwoertink> yeah. sample 21
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<FromGitter>
<mjago> @jwoertink just checked - your new code all works good for me too - except resume play doesn’t happen since playing is still 1 when paused
<FromGitter>
<mjago> *in sample 21
<FromGitter>
<mjago> Also stop is not implemented - and when it is you need to “resume” before stopping since stopping doesn’t reset paused (sdl2 bug)
<kodo[m]>
Can compiled crystall libs have a c api?
<kodo[m]>
So I can use them from c?
<vegai_>
were there prebuilt crystal binaries built against musl?
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<kodo[m]>
There a way to make logger.error go to STDERR?
<Papierkorb>
kodo[m]: w.r.t. "calling from C": This is currently not supported, but it can be done: `build --cross-compile`, then link the object file as -shared library (using the cc line crystal tells you)
<Papierkorb>
kodo[m]: Then use `fun` to create functions that are callable from C
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<FromGitter>
<elorest> Lets get more stars on https://github.com/crystal-lang/crystal ⏎ If anyone here hasn't starred it lets do that. Or if you have 5 or so coworkers on github have them star it too. I'm sick of swift-lang frameworks having more stars than one of my favorite non ruby languages.
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<FromGitter>
<jwoertink> @mjago Ah, good catch. Thanks. I'll update that.
<FromGitter>
<schoening> wow.. I just checked out the surface book irl. I think I fell in love.. Just hope I can dual book Linux on it for crystal :D
<FromGitter>
<jwoertink> Get it and then help get windows running crystal :)
<FromGitter>
<elorest> what he said ^
<Papierkorb>
schoening, afaik surface books have really good linux support :)
<FromGitter>
<schoening> Hah! Id love to try and help. I havent used windows for 5 years now tho, so it will be strange to change back for a while :p
<crystal-gh>
[crystal] asterite pushed 1 new commit to master: https://git.io/vSnXY
<crystal-gh>
crystal/master cae9a20 Ary Borenszweig: Make Process.new(pid) be private. Fixes #4197
<FromGitter>
<schoening> @Papierkorb I can't tell if you are sarcastic or not :p
<Papierkorb>
schoening, you haven't missed anything
<Papierkorb>
I was not
<Papierkorb>
funnily enough, the surface is probably the best convertible in terms of linux support
<Papierkorb>
I tried my luck with an ASUS T101HA. It did work to some extend, but not really. Missing sound and wifi. bleh.
<FromGitter>
<schoening> Now we just need good touch support on linux xD
<FromGitter>
<schoening> Aww
<Papierkorb>
Chrome was decent
<FromGitter>
<schoening> Well thats great news then. Coz I gotta move and take a load for that, so perhaps I can push it a bit and get one of the cheaper version of the surface books xD
<FromGitter>
<schoening> Probably any version will beat my ancient thinkpad ^^
<Papierkorb>
Yeah please try it, shouldn't be much worse than trying booting an ubuntu live pendrive
<Papierkorb>
Mh they have all i-Cores, right?
<Papierkorb>
My Thinkpad X201 (i5 520M, that's 2010 HW) was running circles around the CPU in the ASUS tablet
<Papierkorb>
I was impressed, but of the wrong machine ;)
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<FromGitter>
<chuckremes> Working on my first crystal program by porting over something I wrote in Ruby a while ago. I am trying to do `require “benchmark”` which appers to succeed but crystal throws an error and says: `can’t require dynamically`
<FromGitter>
<chuckremes> what should I do here?
<FromGitter>
<chuckremes> do I need to create a `yml` file to somehow include/require benchmark?
<FromGitter>
<jwoertink> What does your code look like?
<FromGitter>
<jwoertink> Put that require at the very first line of the file
<FromGitter>
<elorest> an issue I seem to get all the time while using crystal compiled binaries that used to work is `dyld: Library not loaded: /usr/local/opt/libevent/lib/libevent-2.0.5.dylib` A fix is often to remove it and everything that depends on it and reinstall libevent. It's frustrating to have to do this every month though.
<FromGitter>
<jwoertink> My guess is that it's throwing the error because the compiler saw the `if` and thinks it could be required later
<FromGitter>
<chuckremes> @jwoertink that solved that problem and gave me a new one. I’ll ping back here if I need help. Thanks for your assist.
<FromGitter>
<jwoertink> cool :thumbsup:
<FromGitter>
<elorest> right now if I install micrate from brew it compiles just fine but when I try to run it I get that libevent error.
<FromGitter>
<jwoertink> I've got that libevent error a few times too.
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<FromGitter>
<elorest> i wonder if there's a better way to fix it than just uninstalling a bunch of stuff.
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<FromGitter>
<elorest> I'm a little bit confused about that though. Isn't the point of compiling something that you don't need to have all the dependencies installed for it to work? Shouldn't they be compiled into the binary?
<FromGitter>
<jwoertink> I think with macOS it's a little weird because you can't static link libraries or something like that
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<FromGitter>
<elorest> weird. You've ran into this issue when setting up homebrew for fez?
<FromGitter>
<elorest> also have you looked into kgen at all?
<FromGitter>
<jwoertink> yeah, I did. I'm still not really sure exactly what the issue was, but basically it would install, but when you'd run `fez` it wouldn't do anything
<FromGitter>
<jwoertink> no errors, just nothing
<FromGitter>
<jwoertink> What's kgen?
<FromGitter>
<elorest> kemalist project generator and scaffolding
<FromGitter>
<elorest> dyld: Library not loaded: /usr/local/opt/libevent/lib/libevent
<FromGitter>
<jwoertink> oh, Dru actually submitted the PR that adds kemalyst support in to fez
<FromGitter>
<elorest> Yeah i saw that
<FromGitter>
<elorest> but just for ecr files
<FromGitter>
<jwoertink> Yeah, it's extendable to add in slang support and such
<FromGitter>
<elorest> the scaffolding part is what I find interesting in kgen
<FromGitter>
<jwoertink> I haven't actually used kemalyst yet, so I wasn't sure about adding anything in.
<FromGitter>
<jwoertink> I was hoping others would just commit to the project to really help beef it up
<FromGitter>
<elorest> Yeah for sure. It seems that libraries should be able to be compiled into an executable but maybe not.
<FromGitter>
<jwoertink> Yeah. I was trying to find where I had a discussion about that. I thought it was on the crystal repo, but I can't find it. It's something specific with the OS where macOS doesn't allow you to statically link libs