12:56 <travis-ci> manastech/crystal#1792 (master - 330b364 : Ary Borenszweig): The build passed.

12:56 <travis-ci> Change view : https://github.com/manastech/crystal/compare/087a891877ca...330b36488042

12:56 <travis-ci> Build details : http://travis-ci.org/manastech/crystal/builds/47515256

13:12 <travis-ci> manastech/crystal#1793 (master - 02c007b : Ary Borenszweig): The build passed.

13:12 <travis-ci> Change view : https://github.com/manastech/crystal/compare/330b36488042...02c007b16b9c

13:12 <travis-ci> Build details : http://travis-ci.org/manastech/crystal/builds/47516902

16:57 <zamith> hi, is there any plan to support attr_accessor, reader and writer?

16:58 <jhass> it's already supported, just with new names

16:58 <jhass> getter, settter, property

16:58 <jhass> append ! for not_nil! assertions

16:58 <zamith> oh ok, thanks

16:58 <jhass> append ? for... I forgot

16:59 <zamith> can you point me to where it is in the source code?

16:59 <zamith> I looked in Class.cr and Object.cr and couldn't find it

16:59 <jhass> https://github.com/manastech/crystal/blob/master/src/object.cr#L164

17:00 <jhass> appending ? just creates ? aliases

17:00 <jhass> so getter? :done gives .done?

17:00 <zamith> cool, thanks, found it

17:01 <zamith> any reason for not going with ruby's naming?

17:01 <jhass> I think they found those names less intuitive

17:02 <jhass> and since those are macros you can pass not just symbols actually

17:02 <jhass> getter foo and getter @foo should work too (never checked the last one though)

17:26 <zamith> according to the docs they do

17:26 <zamith> I though crystal was going for as much ruby compat as possible

17:26 <zamith> this is a major non-compatibility

17:27 <zamith> not that it's problematic in itself, but...

17:28 <asterite> I don’t think you’ll be able to port Ruby code that easily to Crystal, there are some major differences that make it a completely different language

17:29 <asterite> And Crystal is just inspired by Ruby, not a Ruby implementation

17:29 <asterite> I think attr_accessor is too long and not very descriptive, and in other programming languages “property” is used

19:13 <zamith> Is there an equivalent to symbol_to_proc?

19:15 <jhass> sort of, &. is a syntax rewrite to {|a| a. }

19:15 <jhass> so it's actually more powerful

19:15 <jhass> .map &.count('a')

19:16 <jhass> .select &.foo.nil?

19:16 <zamith> cool

19:16 <zamith> thanks

19:55 <zamith> asterite: I'm planning an introductory presentation on crystal for a local ruby meetup. What would you say are the best features and/or selling points?

20:43 <asterite> zamith: I see your message right now

20:45 <asterite> Mmm… The things I like about Crystal are (in no particular order): efficiency (similar to C or other low-level languages), Ruby-like syntax (easy to read and write, short, concise), efficient blocks (blocks are just awesome!), static checks (easy to refactor code, less crashes at runtime), macros to generate code, and simple bindings to C (no need to write C code)

20:46 <asterite> zamith

20:46 <asterite> zamith: did you code anything interesting in crystal?

20:56 <asterite> Also: thanks for talking about Crystal! :-)

21:50 <zamith> no, not yet

21:51 <zamith> just simple examples, trying to port them from ruby

21:51 <zamith> @asterite: what's particular about blocks that make them efficient?

21:52 <zamith> asterite: Also, is there a package manager, or packages for that matter, other than the core?

23:25 <asterite> zamith: if you don't capture a block it always gets inlined, and LLVM can optimize better. So for example 3.times { .. } is as efficient as a C for loop

23:25 <asterite> There's `crystal deps`, but it's very basic right now, we need to enhance it

23:25 <asterite> It just pulls github repositories for now, now versionin

23:25 <asterite> g

23:26 <zamith> I was looking at this thread: https://github.com/manastech/crystal/issues/220

23:26 <zamith> is it still current?

23:26 <asterite> We'd like a decentralized approach, which is what we have right now

23:27 <asterite> But it's very basic. And there aren't many packages right now maybe because the language is not popular/used and maybe because of the lack of a good package manager

23:27 <asterite> But the language is still evolving, so I don't mind that much

23:28 <zamith> package managers help grow the community, imo

23:28 <zamith> but as you say, the language is evolving and changing a lot

23:28 <zamith> so maybe just gh for now is not a bad idea

23:28 <zamith> I'll give it a try

23:30 <asterite> It's not documented, but `deps { github "sferik/twitter-crystal" }` would be how to use `crystal deps` (put that inside a Projectfile)

23:30 <asterite> Got to go now... bye!

23:30 <zamith> thanks