From: Minero Aoki <aamine@...>
Date: 2002-04-29T20:42:54+09:00
Subject: ruby-dev summary 16961-16990

Hi all,

This is a summary of ruby-dev ML in these days.

---- ruby-dev 16961-16990 (2002-04-19 ... 2002-04-26) ----

[ruby-dev:16976] narray

  GOTO Kentaro has requested to bundle 'narray'
  as the standard library.

  narray is a numerical N-dimensional array library
  written by Masahiro Tanaka. It provides fast and
  efficient computing of the large data arrays.

  see also: http://www.ruby-lang.org/en/raa-list.rhtml?name=NArray

[ruby-dev:16978] Re: [rubyist:1343] Re: another sample for the Method

  Koji Arai has suggested to allow passing any object with to_proc()
  method to methods as block arguments (&block). For example:

    class MyBlock
      def to_proc
        lambda {|i| print i }
      end
    end

    [1,2,3].each( & MyBlock.new )
    # equals to
    # [1,2,3].each {|i| print i }

  This idea has been implemented.

[ruby-dev:16989] making Proc in C

  Nobuyoshi Nakada has proposed a new C API, rb_proc_new().
  This function creates a Proc object from a C function.
  Matz has accepted this idea.

[ruby-dev:16994] once.rb

  OZAWA Sakuro has requested to bundle once.rb as the standard
  library. once.rb provides Module#once, which forces to evaluate
  some method only once. This method is described in P.251 of
  pickaxe. (If you have Japanese edition, you can find it in p.291 :-)

  This request has been accepted.


-- Minero Aoki