[#13775] Problems with racc rule definitions — Michael Neumann <neumann@...>

15 messages 2001/04/17
[#13795] Re: Problems with racc rule definitions — Minero Aoki <aamine@...> 2001/04/18

Hi,

[#13940] From Guido, with love... — Dave Thomas <Dave@...>

52 messages 2001/04/20

[#13953] regexp — James Ponder <james@...>

Hi, I'm new to ruby and am coming from a perl background - therefore I

19 messages 2001/04/21

[#14033] Distributed Ruby and heterogeneous networks — harryo@... (Harry Ohlsen)

I wrote my first small distributed application yesterday and it worked

15 messages 2001/04/22

[#14040] RCR: getClassFromString method — ptkwt@...1.aracnet.com (Phil Tomson)

It would be nice to have a function that returns a class type given a

20 messages 2001/04/22

[#14130] Re: Ruby mascot proposal — "Conrad Schneiker" <schneik@...>

Guy N. Hurst wrote:

21 messages 2001/04/24
[#14148] Re: Ruby mascot proposal — Stephen White <spwhite@...> 2001/04/24

On Tue, 24 Apr 2001, Conrad Schneiker wrote:

[#14188] Re: Ruby mascot proposal — matz@... (Yukihiro Matsumoto) 2001/04/25

Hi,

[#14193] Re: Ruby mascot proposal — "W. Kent Starr" <elderburn@...> 2001/04/25

On Tuesday 24 April 2001 23:02, Yukihiro Matsumoto wrote:

[#14138] Re: python on the smalltalk VM — Conrad Schneiker <schneik@...>

FYI: Thought this might be of interest to the JRuby and Ruby/GUI folks.

27 messages 2001/04/24
[#14153] Re: python on the smalltalk VM — Andrew Kuchling <akuchlin@...> 2001/04/24

Conrad Schneiker <schneik@austin.ibm.com> writes:

[#14154] array#flatten! question — Jim Freeze <jim@...> 2001/04/24

Hello.

[#14159] Can I insert into an array — Jim Freeze <jim@...> 2001/04/24

Ok, this may be a dumb question, but, is it possible to insert into an

[#14162] Re: Can I insert into an array — Dave Thomas <Dave@...> 2001/04/24

Jim Freeze <jim@freeze.org> writes:

[#14289] RCR: Array#insert — Shugo Maeda <shugo@...> 2001/04/27

At Wed, 25 Apr 2001 01:28:36 +0900,

[#14221] An or in an if. — Tim Pettman <tjp@...>

Hi there,

18 messages 2001/04/25

[#14267] Re: Ruby mascot proposal — "Conrad Schneiker" <schneik@...>

Danny van Bruggen,

16 messages 2001/04/26

[#14452] How to do it the Ruby-way 3 — Stefan Matthias Aust <sma@3plus4.de>

First a question: Why is

21 messages 2001/04/30

[ruby-talk:13402] Re: Multidimensional arrays and hashes?

From: masa@...
Date: 2001-04-01 00:41:26 UTC
List: ruby-talk #13402
Hi,

>From: Lloyd Zusman <ljz@asfast.com>

> Is it possible in ruby to make use of constructs that correspond to
> the following Perl constructs? ...
> 
>   $array[1][2][3] = 'whatever';   # multidimensional array
> 
>   $hash{'a'}{'b'} = 'something';  # multidimensional hash
> 
> I know that I can create classes in ruby which encapsulate this
> behavior, but before I re-invent the wheel, I'd like to know if anyone
> has already come up with things like this in ruby.

  class ArrayMD < Array
    def [](n)
       self[n]=ArrayMD.new if super(n)==nil
       super(n)
    end
  end

  a = ArrayMD.new
  a[1][2][3]="foo"  #=> [nil, [nil, nil, [nil, nil, nil, "foo"]]]

See also  http://www.ir.isas.ac.jp/~masa/ruby/mdary.html

M.Tanaka

In This Thread