#crystal-lang on 2017-01-20 — irc logs at freenode.irclog.whitequark.org

2017-01-07 22:37 RX14 changed the topic of #crystal-lang to: The Crystal programming language | http://crystal-lang.org | Crystal 0.20.4 | Fund Crystal's development: http://is.gd/X7PRtI | Paste > 3 lines of text to https://gist.github.com | GH: https://github.com/crystal-lang/crystal | Docs: http://crystal-lang.org/docs/ | API: http://crystal-lang.org/api/ | Logs: http://irclog.whitequark.org/crystal-lang

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03:50 <FromGitter> <andyfleming> when calling something like `.map(&.get)`, `&` is acting as an implicit parameter, right?

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04:01 <FromGitter> <andyfleming> I guess it looks like it is just a macro (or macro-like) rewrite to a block ( https://crystal-lang.org/2013/09/15/to-proc.html )

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05:03 <FromGitter> <martinium> is the crystal tutorial in the docs currently the best way to learn crystal if you don't know any ruby?

05:52 <wmoxam> @martinium yes

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09:11 <Yxhuvud> @andyfleming: Yes, that is correct - it is just a shorthand to avoid writing a block. Note that you can do stuff like &.[1].bar

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13:50 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vM93k

13:50 <crystal-gh> crystal/master 26a4c97 Ary Borenszweig: Keyword arguments in [] operators. Fixes #3918

13:50 <DeBot> https://github.com/crystal-lang/crystal/issues/3918 (Keyword arguments in [] operators)

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14:32 <travis-ci> crystal-lang/crystal#26a4c97 (master - Keyword arguments in [] operators. Fixes #3918): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/193743324

14:32 <DeBot> https://github.com/crystal-lang/crystal/issues/3918 (Keyword arguments in [] operators)

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14:35 <bew78> Hi, in the parser spec, I've found a weird syntax to me that I do not understand :

14:35 <bew78> it_parses "x[+ 1]", Call.new("x".call, "[]", Call.new(1.int32, "+"))

14:36 <bew78> asterite: you just created it, can you explain ?

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14:56 <bew78> I don't understand the `+ 1` thing, how is this a Call ? it adds 1 to what ?

14:57 <bew78> Or, it calls the `+` of an integer, but what params does it uses ? none ?

14:57 <crystal-gh> [crystal] asterite pushed 3 new commits to master: https://git.io/vM9lA

14:57 <crystal-gh> crystal/master 32d7a51 Ary Borenszweig: Fixed #3919: Variable assigned inside ensure does not have effect outside begin/ensure

14:57 <crystal-gh> crystal/master 3a2a7b0 Ary Borenszweig: Compiler: better pretty print for MetaVar

14:57 <crystal-gh> crystal/master d38694c Ary Borenszweig: Compiler specs: correctly forward end line

14:57 <DeBot> https://github.com/crystal-lang/crystal/issues/3919 (Variable assigned inside ensure does not have effect outside begin/ensure)

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15:28 <crystal-gh> [crystal] spalladino pushed 4 new commits to master: https://git.io/vM907

15:28 <crystal-gh> crystal/master 7d41427 Julien Portalier: Fix: missing !dbg location in expanded def/rescue

15:28 <crystal-gh> crystal/master 6be2e15 Julien Portalier: Fix: missing !dbg location in ` interpolation

15:28 <crystal-gh> crystal/master 761883b Julien Portalier: Fix: When AST node is missing location

15:29 <FromGitter> <mverzilli> `+` it's an unary operator

15:29 <FromGitter> <asterite> It's the same as +1, but as a call

15:30 <FromGitter> <asterite> It's the same as in Ruby too (but it calls @+)

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16:08 <travis-ci> crystal-lang/crystal#32d7a51 (master - Fixed #3919: Variable assigned inside ensure does not have effect outside begin/ensure): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/193762907

16:08 <DeBot> https://github.com/crystal-lang/crystal/issues/3919 (Variable assigned inside ensure does not have effect outside begin/ensure)

16:15 <crystal-gh> [crystal] asterite closed pull request #3856: Allow optional block with Hash#delete (master...hash-delete) https://git.io/vMcy8

16:15 <DeBot> https://github.com/crystal-lang/crystal/pull/3856 (Allow optional block with Hash#delete)

16:15 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vM9VL

16:15 <crystal-gh> crystal/master 80692e9 Bryan Mulvihill: Allow block with Hash#delete

16:16 <crystal-gh> [crystal] mverzilli closed pull request #3880: Optimize Crypto::Bcrypt performance (master...enhancement-bcrypt-performance) https://git.io/vMgXS

16:16 <DeBot> https://github.com/crystal-lang/crystal/pull/3880 (Optimize Crypto::Bcrypt performance)

16:16 <crystal-gh> [crystal] mverzilli pushed 1 new commit to master: https://git.io/vM9VC

16:16 <crystal-gh> crystal/master 42e2a52 Julien Portalier: Increase Crypto::Bcrypt performance...

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16:46 <travis-ci> crystal-lang/crystal#b5f0e5a (master - Fix: mssing !dbg location for C struct field conversion setters): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/193772635

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17:31 <crystal-gh> [crystal] asterite pushed 1 new commit to master: https://git.io/vM91m

17:31 <crystal-gh> crystal/master 47a3002 Ary Borenszweig: Fixed: use unused variable in String#<=>...

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18:58 <travis-ci> crystal-lang/crystal#47a3002 (master - Fixed: use unused variable in String#<=>): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/193811873

19:00 <crystal-gh> [crystal] bcardiff pushed 1 new commit to master: https://git.io/vM9NT

19:00 <crystal-gh> crystal/master ccf46c0 Brian J. Cardiff: Updated Changelog

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20:38 <travis-ci> crystal-lang/crystal#ccf46c0 (master - Updated Changelog): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/193834329

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22:43 <crystal-gh> [crystal] TheLonelyGhost opened pull request #3922: Removes `assert do ... end` (master...remove-assert) https://git.io/vMH0e

22:43 <DeBot> https://github.com/crystal-lang/crystal/pull/3922 (Removes `assert do ... end`)

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22:47 <travis-ci> crystal-lang/crystal#ccf46c0 (master - Updated Changelog): The build passed. https://travis-ci.org/crystal-lang/crystal/builds/193834329

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