[#41431] [ruby-trunk - Bug #5694][Open] Proc#arity doesn't take optional arguments into account. — Marc-Andre Lafortune <ruby-core@...>

27 messages 2011/12/01
[#41442] [ruby-trunk - Bug #5694] Proc#arity doesn't take optional arguments into account. — Thomas Sawyer <transfire@...> 2011/12/01

[#41443] Re: [ruby-trunk - Bug #5694] Proc#arity doesn't take optional arguments into account. — Yehuda Katz <wycats@...> 2011/12/01

Maybe we can add a new arity_range method that does this?

[#41496] [ruby-trunk - Bug #5714][Open] Unexpected error of STDIN#read with non-ascii input on Windows XP — Heesob Park <phasis@...>

22 messages 2011/12/06

[#41511] [ruby-trunk - Bug #5719][Open] Hash::[] can't handle 100000+ args — Nick Quaranto <nick@...>

13 messages 2011/12/07

[#41557] [ruby-trunk - Bug #5730][Open] Optinal block parameters assigns wrong — Yukihiro Matsumoto <matz@...>

14 messages 2011/12/08

[#41586] [ruby-trunk - Feature #5741][Open] Secure Erasure of Passwords — Martin Bosslet <Martin.Bosslet@...>

17 messages 2011/12/10

[#41672] [ruby-trunk - Feature #5767][Open] Cache expanded_load_path to reduce startup time — Yura Sokolov <funny.falcon@...>

13 messages 2011/12/15

[#41681] Documentation of the language itself (syntax, meanings, etc) — Rodrigo Rosenfeld Rosas <rr.rosas@...>

Since Ruby is built on top of simple concepts, most of the documentation

23 messages 2011/12/15
[#41683] Re: Documentation of the language itself (syntax, meanings, etc) — Gary Wright <gwtmp01@...> 2011/12/15

[#41686] Re: Documentation of the language itself (syntax, meanings, etc) — Rodrigo Rosenfeld Rosas <rr.rosas@...> 2011/12/16

Em 15-12-2011 19:23, Gary Wright escreveu:

[#41717] Feature : optional argument in File.join — Michel Demazure <michel@...>

In Windows, when using File.join, one often ends with a path containing

13 messages 2011/12/19
[#41719] Re: Feature : optional argument in File.join — Luis Lavena <luislavena@...> 2011/12/19

On Mon, Dec 19, 2011 at 6:09 AM, Michel Demazure <michel@demazure.com> wrote:

[#41720] Re: Feature : optional argument in File.join — Michel Demazure <michel@...> 2011/12/19

Luis Lavena wrote in post #1037331:

[#41728] [ruby-trunk - Feature #5781][Open] Query attributes (attribute methods ending in `?` mark) — Thomas Sawyer <transfire@...>

15 messages 2011/12/19

[#41799] Best way to separate implementation specific code? — Luis Lavena <luislavena@...>

Hello,

15 messages 2011/12/24
[#41800] Re: Best way to separate implementation specific code? — KOSAKI Motohiro <kosaki.motohiro@...> 2011/12/24

2011/12/24 Luis Lavena <luislavena@gmail.com>:

[#41811] Re: Best way to separate implementation specific code? — "U.Nakamura" <usa@...> 2011/12/26

Hello,

[#41817] Re: Best way to separate implementation specific code? — Luis Lavena <luislavena@...> 2011/12/26

On Sun, Dec 25, 2011 at 10:51 PM, U.Nakamura <usa@garbagecollect.jp> wrote:

[#41812] [ruby-trunk - Feature #5809][Open] Benchmark#bm: remove the label_width parameter — Benoit Daloze <redmine@...>

11 messages 2011/12/26

[ruby-core:41419] Re: [ruby-trunk - Bug #5690][Open] Module#qualified_const_get

From: Aaron Patterson <tenderlove@...>
Date: 2011-12-01 01:04:00 UTC
List: ruby-core #41419
On Wed, Nov 30, 2011 at 04:52:36PM +0900, Yehuda Katz wrote:
> On Tue, Nov 29, 2011 at 10:04 PM, Yukihiro Matsumoto <matz@ruby-lang.org>wrote:
> 
> > Hi,
> >
> > In message "Re: [ruby-core:41404] [ruby-trunk - Bug #5690][Open]
> > Module#qualified_const_get"
> >     on Wed, 30 Nov 2011 12:10:02 +0900, Yehuda Katz <wycats@gmail.com>
> > writes:
> >
> > |It would be great if there was a way to dynamically load a constant path:
> > |
> > |  module Foo
> > |    module Bar
> > |      module Baz
> > |      end
> > |    end
> > |  end
> > |
> > |  Foo.qualified_const_get("Bar::Baz") => Foo::Bar::Baz
> >
> > Interesting.
> >
> > * is there any use-case for this method?
> >
> 
> We use it often in Rails.

When serializing objects to yaml, the fully qualified class name is 
emitted.  When reviving those objects, the class name comes back as a 
string, so psych uses rb_path2class to find the constant.

> > * if Bar is not a class nor module, what kind error should be raised?
> >
> 
> TypeError: "(…) is not a class/module"

Agreed.

> > * is qualified_const_get an appropriate name for the function?
> Unknown. It's what we call it in Rails ;)

Yes.

-- 
Aaron Patterson
http://tenderlovemaking.com/

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