#crystal-lang on 2015-10-20 — irc logs at freenode.irclog.whitequark.org

2015-10-16 21:28 jhass changed the topic of #crystal-lang to: The Crystal programming language | http://crystal-lang.org | Crystal 0.9.0 | 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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01:48 <crystal-gh> [crystal] asterite pushed 1 new commit to master: http://git.io/vWJyB

01:48 <crystal-gh> crystal/master 3a727d1 Ary Borenszweig: String::Formatter: support Float32 arguments

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01:58 <travis-ci> manastech/crystal#3a727d1 (master - String::Formatter: support Float32 arguments): The build passed. https://travis-ci.org/manastech/crystal/builds/86314834

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02:09 <crystal-gh> [crystal] asterite closed pull request #1783: Logger: write messages atomically and drop coroutine (master...std-logger) http://git.io/vCjvq

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02:14 <crystal-gh> [crystal] asterite pushed 1 new commit to master: http://git.io/vWJH7

02:14 <crystal-gh> crystal/master 72e1533 Ary Borenszweig: Revert "Logger: write messages atomically and drop coroutine"...

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02:19 <travis-ci> manastech/crystal#c139716 (master - Docs: use raw token value for numbers, chars and strings, so the original input is preserved): The build passed. https://travis-ci.org/manastech/crystal/builds/86316654

02:27 <travis-ci> manastech/crystal#72e1533 (master - Revert "Logger: write messages atomically and drop coroutine"): The build passed. https://travis-ci.org/manastech/crystal/builds/86316973

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08:20 <trapped> what's the recommended way to embed binary files at runtime? (the ECR equivalent for binaries, that is)

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08:35 <crystal-gh> [crystal] adlerhsieh opened pull request #1790: Add nested-search functionality in documentation (master...update-js) http://git.io/vWU9Y

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11:09 <benoist-> jhass: I'm trying to figure out why the compiler has the lcrypto lib_flag in the list when running the spec, but when running the docs it's not included

11:09 <benoist-> .crystal/crystal-run-spec.tmp" "${@}" -rdynamic -lxml2 -lz -lssl -lcrypto

11:10 <benoist-> crystal-run-docs.tmp" "${@}" -rdynamic -lreadline -lxml2 -lssl -lgmp -

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11:11 <BlaXpirit> benoist-, maybe i'm missing something but seems obvious

11:11 <BlaXpirit> generating docs doesn't need cryptography

11:11 <benoist-> well it requires all the files when generating the docs

11:11 <benoist-> so it's also trying to link to the lib files

11:12 <BlaXpirit> benoist-, but those files aren't run...

11:12 <BlaXpirit> tests do need to compile and use all the code

11:12 <jhass> benoist-: yeah I think the doc parser doesn't actually instantiate anything

11:12 <BlaXpirit> docs just need to use the compiler itself

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11:13 <benoist-> hmm ok, but why I'm I getting this error: "_ERR_load_crypto_strings", referenced from:

11:14 <benoist-> I see lssl is required when building docs, is SSL a requirement for docs?

11:15 <BlaXpirit> benoist-, hmm maybe it's a requirement for the compiler

11:17 <crystal-gh> [crystal] jhass closed pull request #1492: Crypto::Bcrypt: correct implementation (master...std-bcrypt) http://git.io/vZN9E

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11:24 <benoist-> Does this not compile the code because wants_doc is set to true?

11:24 <benoist-> https://github.com/manastech/crystal/blob/master/src/compiler/crystal/command.cr#L418

11:25 <BlaXpirit> benoist-, why would it not compile

11:26 <benoist-> well if it does compile, then it needs the lcrypto flag

11:26 <BlaXpirit> benoist-, linking goes after compiling

11:26 <BlaXpirit> i assume that this `compile` function neither links nor runs the code

11:26 <BlaXpirit> so no external libs are actually needed

11:27 <travis-ci> manastech/crystal#c743442 (master - Merge pull request #1492 from ysbaddaden/std-bcrypt): The build passed. https://travis-ci.org/manastech/crystal/builds/86376823

11:27 <DeBot> https://github.com/manastech/crystal/pull/1492 (Crypto::Bcrypt: correct implementation)

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11:30 <crystal-gh> [crystal] jhass closed pull request #1790: Add nested-search functionality in documentation (master...update-js) http://git.io/vWU9Y

11:30 <unshadow> benoist-: Nice work on the OpenSSL.cr PR, thanks :)

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11:34 <benoist-> unshadow: np, just trying to make the docs compile :(

11:34 <BlaXpirit> benoist-, can u compile other docs in this environment?

11:35 <benoist-> well i've got it compiling now

11:35 <benoist-> but that's after manually adding -lcrypto to the cc command

11:35 <benoist-> and then rebuilding crystal compiler

11:36 <benoist-> so that kinda feels dirty :)

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11:37 <jhass> benoist-: added you a comment on what I think causes this

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11:39 <benoist-> jep trying it out now

11:40 <travis-ci> manastech/crystal#d7b3f53 (master - Merge pull request #1790 from adlerhsieh/update-js): The build passed. https://travis-ci.org/manastech/crystal/builds/86378829

11:40 <DeBot> https://github.com/manastech/crystal/pull/1790 (Add nested-search functionality in documentation)

11:40 <benoist-> jep that fixes the documentation issue, running full spec suite now

11:40 <benoist-> tnx guys

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11:51 <jhass> benoist-: uh, that comment was only for ERR_load_crypto_strings, I didn't check for OPENSSL_add_all_algorithms_noconf, did you?

11:52 <benoist-> oh lol, ok no I did not check

11:52 <jhass> ah, but it's right actually, lol

11:52 <benoist-> nice :)

11:52 <jhass> nm /usr/lib/libcrypto.so.1.0.0 | grep OPENSSL_add_all_algorithms_noconf

11:52 <jhass> 000000000014d1f0 T OPENSSL_add_all_algorithms_noconf

11:53 <benoist-> ok

11:53 <benoist-> good to know for the other PR's

11:53 <benoist-> I need to add a lot more methods for X509

11:53 <benoist-> and RSA

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11:56 <benoist-> but for now, back to the day job :)

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12:08 <unshadow> benoist: I think we should add a deafult_ciphers like in the STDlib version to the OpenSSL.cr PR, for people who dont know about security etc ...

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13:17 <rmosolgo> Inside a generic type, can I use the inner type in aliases? Here's what I want to do: http://carc.in/#/r/jkg

13:18 <jhass> well, apparently not

13:18 <rmosolgo> heh

13:18 <rmosolgo> i was hoping for one of those, "Oh, just do X" moments :P

13:19 <jhass> I guess the thing is that it would make MyBox::Content invalid, it would need to be MyBox(Foo)::Content

13:19 <rmosolgo> oh sure, it makes it inaccessible _without_ that type argument

13:20 <trapped> can i check if a type includes another type (like is_a?) in a macro?

13:21 <jhass> trapped: should be possible in theory but I don't see it mapped out http://crystal-lang.org/api/Macros/TypeNode.html

13:21 <trapped> i'm gonna try if this works http://crystal-lang.org/api/Macros/ASTNode.html#is_a%3F%28name%29%3ABoolLiteral-instance-method

13:23 <jhass> trapped: nah that's checking the type of the AST node, not the type the TypeNode represents

13:23 <trapped> you're right

13:24 <jhass> rmosolgo: well, feel free to open an RFC, but include some thoughts about accessing aliases inside generics referencing the typevars vs not doing so

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13:25 <rmosolgo> Ok

13:25 <rmosolgo> I don't really understand it well enough yet to wish it to be different, this is my first run-in with my own generic

13:25 <rmosolgo> but i'll keep it in mind

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13:26 <trapped> i'm gonna try to workaround and generate a private method in `macro included` and check if the type has a method with that name

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13:52 <TBD> @jhass any chance to have a gist from http://irclog.crystal-lang.org/crystal-lang/2015-10-19#101555 example of small executable POC ? thanks.

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13:54 <jhass> TBD: I'd kinda love to manage to implement the entry point in crystal too or at least have a compatible stub that doesn't depend on libc before publishing it

13:54 <jhass> didn't manage that yet

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13:55 <TBD> ok. cool. any idea if irclog is a CR app or not ?

13:55 <jhass> it's not

13:56 <jhass> https://github.com/whitequark/irclogger

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13:59 <jhass> TBD: http://p.jhass.eu/8.cr here's a longer lasting paste of my current worksheet

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14:05 <jokke> jhass: about my websocket problem: do you think it's possible to somehow enforce sending ws frames in single tcp packets on the client side?

14:05 <jhass> I have no idea, dzv might though

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14:07 <jokke> alright

14:08 <jokke> jhass: i believe it's a bug with sockjs-node, what meteor is using for ddp

14:09 <TBD> had my fun too debugging WS connections yesterday. missing Sec-WebSocket-Protocol so I had to rewrite HTTP::WebSocket.open

14:23 <jokke> TBD: care to take a quick look to rule out a bug at crystals end? https://github.com/sockjs/sockjs-node/issues/187

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14:27 <TBD> @jokke I just started playing with WS. dont know much about the internals.

14:28 <jokke> mh ok

14:28 <TBD> also didnt found any good WS debugger (CharlesProxy meh, Wireshark needs X11, ...)

14:30 <jokke> tcpdump?

14:31 <jokke> wireshark can unmask frame payloads though

14:36 <TBD> trying with http://www.tastycocoabytes.com/cpa/index.php OSX

14:39 <jokke> oh ok you're on mac

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14:52 <rmosolgo> uh oh, http://carc.in/#/crystal is giving a 504, is it just me?

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15:00 <BlaXpirit> rmosolgo, works for me at least now

15:01 <rmosolgo> back for me too, thanks

15:11 <xdougx> :jhass i've asked about block parameter, it was working yesterday, but when i change the classe, i got this expected block type to be a function type

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15:13 <jhass> rmosolgo: sorry had to reset the v4 proxy. Get v6 and that should be better for you :P

15:13 <jhass> xdougx: sorry, too vague

15:14 <rmosolgo> oh, thanks! I had just pasted some code which I expected to raise a compile error ... but then it timed out so I was afraid I'd somehow broken it!

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15:16 <xdougx> jhass: like this code http://carc.in/#/r/jko

15:16 <jhass> xdougx: http://carc.in/#/r/jkp

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15:17 <xdougx> jhass: ohhhh just it? lol

15:18 <xdougx> thank you

15:18 <jhass> MyClass -> works too, but that's a nice little trick ;)

15:19 <xdougx> hehehehe

15:20 <xdougx> very nice, works

15:21 <xdougx> if you call block.call(self), got the same error but with yield works

15:23 <jhass> xdougx: just add the same restriction to other too

15:24 <xdougx> works hehehehe, okay

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15:31 <xdougx> i build this small lib https://github.com/xdougx/selenite

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17:11 <xdougx> jhass: when i should use the extend function on my class?

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17:11 <jhass> when you want to add the modules instance methods as class methods to it

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17:13 <xdougx> ok, understood

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20:22 <xdougx> when i load a YAML is needed to set after "as Hash"?

20:24 <jhass> there's also a first YAML.mapping

20:24 <jhass> http://crystal-lang.org/api/YAML.html#mapping%28properties%2Cstrict%3Dfalse%29-macro

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20:33 <xdougx> strange undefined method 'mapping' for YAML:Module trying to do the example

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21:11 <benoist> jhass: any idea how to link openssl lib?

21:11 <jhass> mh?

21:12 <jhass> openssl provides libssl and libcrypto afaik

21:12 <benoist> I'm missing a few things

21:12 <benoist> if I do export LIBRARY_PATH=`brew --prefix openssl`/lib it compiles

21:12 <jhass> osx ...

21:13 <benoist> yup

21:13 <jhass> always problems with finding libraries there

21:14 <jhass> but it's such a great developer OS! :P

21:14 <benoist> for iOS it is ;-)

21:17 <benoist> but that sounds like it's gonna be a bit more difficult for this time a day

21:19 <benoist> I've got a branch ready for OpenSSL Digest, but as it's based from my cipher branch, what's the best way to create the PR

21:20 <benoist> do I create a new one PR with both in it, or shall I wait till cipher is merged?

21:20 <jhass> depends on your rebasing skills ;)

21:21 <benoist> they're ok

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21:22 <jhass> so I don't know if somebody wants any changes to your cipher PR, if they do you'd need to rebase the digest PR on top of it

21:22 <jhass> while throwing out the old cipher commit from the digest branch

21:23 <benoist> not a problem

21:24 <benoist> so just create a new PR?

21:24 <jhass> yeah I guess so

21:24 <benoist> alrighty :)

21:24 <crystal-gh> [crystal] benoist opened pull request #1794: Feature/openssl digest (master...feature/openssl-digest) http://git.io/vWtI0

21:25 <benoist> Well I'm off, will process the feedback tomorrow if anyone has submitted it by then :)

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