From: ptkwt@...1.aracnet.com (Phil Tomson)
Date: 2002-03-14T03:20:14+09:00
Subject: Re: ruby-dev summary 16126-16200

Good work!  It will really help the whole community to get a handle on 
what's going on in ruby-dev.
Thanks for doing this!

Phil


In article <200203110948.SAA16319@mailrelay.jaist.ac.jp>,
Takaaki Tateishi  <ttate@kt.jaist.ac.jp> wrote:
>The follows are ruby-dev summaries.
>This work will join RubyGarden after a few weeks.
>
>
>[ruby-dev:16134] Defining (Python) Source Code Encoding
>
>  Masayoshi Takahashi asks if we define the source code encoding using
>  "-*- coding: <encoding> -*-" as follows:
>
>    #!/usr/bin/ruby
>    # -*- coding: <encoding name> -*-
>
>  In case we enter above lines in our code, ruby will choose the specified
>  encoding. This is the discussion around:
>
>    PEP 0263
>      http://python.sourceforge.net/peps/pep-0263.html
>
>  in the python community:
>
>    Python-Dev
>     
>http://mail.python.org/pipermail/python-dev/2002-February/thread.html#20350
>
>  Nobu Nakada posts a patch in [ruby-dev:16188] to implement the idea.
>  (*) This patch have not been merged yet.
>
>  The similar idea has been also proposed by Koji Arai in ruby-dev before.
>  This idea, to specify the encoding at the first line, is however not
>  recommended because of some restrictions for #!.
>
>[ruby-dev:16138] Hash implementation
>
>  Naoyuki Morita writes "Hash seems to lose its efficiency if its size get
>  bigger than 1000 since table->num_bins is initialized by 11.".
>  However, since it can be dynamically extended, the efficiency seems to be
>  independent of table->num_bins.
>
>[ruby-dev:16154] : and ::
>
>  Hara Shinichiro writes "How about changing operator priorities of : and ::
>  to obtain a value of "Foo::Bar".intern by :Foo::Bar?".
>  Matz doesn't agree with this suggestion since both of the string "Foo::Bar"
>  and the symbol "Foo::Bar" doesn't have a relation to an expression Foo::Bar.
>
>[ruby-dev:16159] autoload
>
>  Matz writes "I'd like to discard the autoload mechanism.".
>  He think that checking the fallback is needed before retrieving a constant
>  of a parent class whenever we use a constant, and the cost of checking isn't
>  negligible.
>  Akihiko Morohoshi proposes another idea with a patch in [ruby-dev:16165].
>  That is to substitute a dummy object instread of a target object. When we
>  obtain the dummy object using rb_const_get(), the autoload is executed.
>
>[ruby-dev:16196] Oni Guruma imported into our repository
>
>  Musha Akinori commits "Oni Guruma" into the cvs repository.
>  (*) "Oni Guruma" is another regular expression library mentioned
>      in [ruby-dev:16070].
>-- 
>Takaaki Tateishi <ttate@kt.jaist.ac.jp>
>