#crystal-lang on 2016-02-09 — irc logs at freenode.irclog.whitequark.org

2016-01-28 10:12 jhass changed the topic of #crystal-lang to: The Crystal programming language | http://crystal-lang.org | Crystal 0.11.1 | Fund Crystals development: http://is.gd/X7PRtI | Paste > 3 lines of text to https://gist.github.com | GH: https://github.com/manastech/crystal | Docs: http://crystal-lang.org/docs/ | API: http://crystal-lang.org/api/ | Logs: http://irclog.whitequark.org/crystal-lang

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14:26 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vgu2H

14:26 <crystal-gh> crystal/master 81168d7 Ary Borenszweig: Semantic: add a second pass to process type declarations (this was previously done in the main visitor). Refactor and document the type inference from a bird's eye view.

14:28 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vguas

14:28 <crystal-gh> crystal/master 7dfee5f Ary Borenszweig: Merge pull request #2122 from manastech/better_proc_mangling...

14:29 <crystal-gh> [crystal] asterite pushed 2 new commits to master: https://git.io/vguaw

14:29 <crystal-gh> crystal/master 4ce718e Alexander Popov: HTTP::Headers#merge! returns self

14:29 <crystal-gh> crystal/master 2c72a99 Ary Borenszweig: Merge pull request #2111 from AlexWayfer/http_headers-merge-return-self...

14:36 <travis-ci> manastech/crystal#81168d7 (master - Semantic: add a second pass to process type declarations (this was previously done in the main visitor). Refactor and document the type inference from a bird's eye view.): The build passed. https://travis-ci.org/manastech/crystal/builds/108034601

14:43 <travis-ci> manastech/crystal#7dfee5f (master - Merge pull request #2122 from manastech/better_proc_mangling): The build passed. https://travis-ci.org/manastech/crystal/builds/108035169

14:43 <DeBot> https://github.com/manastech/crystal/pull/2122 (Enhanced proc mangling)

14:47 <travis-ci> manastech/crystal#2c72a99 (master - Merge pull request #2111 from AlexWayfer/http_headers-merge-return-self): The build passed. https://travis-ci.org/manastech/crystal/builds/108035348

14:47 <DeBot> https://github.com/manastech/crystal/pull/2111 (HTTP::Headers#merge! returns self)

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15:34 <crystal-gh> [crystal] tmtm opened pull request #2130: add String#scrub, String#valid_encoding? (master...string-scrub) https://git.io/vgu7m

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16:40 <crime> so does Crystal compile to C or does it have it's own VM?

16:41 <BlaXpirit> crime, based on LLVM

16:44 <crime> dope, hey I recognize ur handle

16:45 <crime> i have read something you've written, for sure

16:45 <BlaXpirit> :o

16:46 <crime> oh, it's crSFML, yeah I was looking at that. I really want to write a simple game in ruby, but ruby sucks for that. is crSFML as dope as it sounds?

16:46 <BlaXpirit> crime, no, slightly less dope than it sounds

16:47 <crime> oh

16:47 <crime> well still, hail crystal

16:47 <BlaXpirit> there are some problems, with crystal mainly, that don't let it show all its greatness

16:48 <crime> it'll come to with some time, mate

16:49 <BlaXpirit> crime, multithreading is nerfed. C structs can't be customized so there is some ugliness in crsfml API. there are rare bugs in interaction with C ABI. and of course... no Windows support

16:49 <BlaXpirit> but the threading part is more on SFML, they're too hardcoded in it

16:53 <BlaXpirit> crime, but please don't be disouraged. at the very least, it's a lot of fun and there were no showstoppers as far as I can see. wrote a few games myself (mostly clones), maybe you've seen crsfml-examples

16:54 <crime> yes, I havent tried them yet but I will do that now

16:54 <BlaXpirit> crime, you still can see the animations https://github.com/blaxpirit/crsfml-examples#readme

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16:55 <crime> wow slither looks so crazy

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17:28 <jeromegn> ah, using datanoise/openssl is pretty much impossible now since both core implementation and datanoise's have similar defined vars. I get `already initialized constant LibCrypto::PKCS5_SALT_LEN`

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17:36 <jokke> do you guys have experience with systemd socket activation?

17:36 <jokke> i'm trying to write a test program that utilizes it

17:36 <jokke> https://p.jreinert.com/8ce/crystal

17:37 <jokke> https://p.jreinert.com/8ce/ruby

17:37 <jokke> sorry

17:37 <jokke> but i get the following error when starting with socket activation: Error reading file: Transport endpoint is not connected (Errno)

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18:19 <BlaXpirit> jokke, i used systemd socket but without getting into much details

18:22 <jokke> so nothing you wrote yourself?

18:24 <BlaXpirit> yes. i took a product made in python, then googled some stuff how to adapt it to systemd socket

18:26 <jokke> mh ok

18:33 <BlaXpirit> jokke, interesting code you have there, i see nothing wrong with it

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18:56 <BlaXpirit> jokke, so the weird thing is you're supposed to "accept" on that socket

18:57 <jokke> ah ok

18:57 <jokke> where did you find that info?

18:57 <BlaXpirit> jokke, http://ku1ik.com/2012/01/21/systemd-socket-activation-and-ruby.html

18:58 <BlaXpirit> my google query was ... "systemd socket" :LD

18:58 <BlaXpirit> :D *

18:58 <jokke> :P

19:05 <BlaXpirit> jokke, i did it!

19:06 <BlaXpirit> had to steal code from https://github.com/manastech/crystal/blob/ed88d5fd842500a6c9742478c2e7fb4edde1b4f7/src/socket/tcp_server.cr#L54

19:06 <BlaXpirit> cuz it's not normally supported by crystal, i dont think

19:06 <BlaXpirit> jokke, https://bpaste.net/show/26d2d3a0e837 i ripped out many parts though. needs polishing

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19:16 <jokke> hm yeah i tried monkeypatching TCPServer but that doesn't seem to work

19:21 <jokke> hm weir

19:21 <jokke> d

19:21 <jokke> says unexpected token ::

19:21 <jokke> ah

19:21 <jokke> my bad

19:21 <jokke> hm no

19:23 <jokke> super weirt

19:23 <jokke> *weird

19:23 <jokke> BlaXpirit: you sure that it compiles?

19:23 <jokke> this doesn't: https://p.jreinert.com/1o3rB/crystal

19:24 <jokke> this doesn't: https://p.jreinert.com/1o3rB/ruby

19:25 <BlaXpirit> jokke, just try my code

19:27 <jokke> nop

19:27 <jokke> e

19:27 <jokke> not compiling here...

19:27 <jokke> wtf

19:28 <jokke> unexpected token: ::

19:28 <jokke> client_addr :: LibC::SockAddrIn6

19:35 <jokke> BlaXpirit: alright

19:35 <BlaXpirit> jokke, what

19:35 <jokke> this works: https://p.jreinert.com/6YJmDF/

19:36 <jokke> i checked the manpage for accept

19:36 <jokke> should be fine

19:37 <jokke> cool stuff!

19:39 <BlaXpirit> jokke, and you have some choices here. serve 1 request and quit. loop until it's shut down. or keep the process alive for some time (this needs to be manually implemented in crystal)

19:39 <BlaXpirit> currently your code seems to serve 1 and quit

19:39 <jokke> yeah

19:39 <jokke> that's what i was after

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23:27 <greyblake> Hi! Am trying to port some functions from glib2 and make them play with GC.

23:28 <greyblake> https://stackoverflow.com/questions/35304158/binding-glib-into-crystal-lang-gc-issue

23:28 <greyblake> Any ideas are welcome! =)

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