[#3109] Is divmod dangerous? — Dave Thomas <Dave@...>

14 messages 2000/06/06

[#3149] Retrieving the hostname and port in net/http — Roland Jesse <jesse@...>

Hi,

12 messages 2000/06/07

[#3222] Ruby coding standard? — Robert Feldt <feldt@...>

16 messages 2000/06/09

[#3277] Re: BUG or something? — Aleksi Niemel<aleksi.niemela@...>

> |I am new to Ruby and this brings up a question I have had

17 messages 2000/06/12
[#3281] Re: BUG or something? — Dave Thomas <Dave@...> 2000/06/12

Aleksi Niemel<aleksi.niemela@cinnober.com> writes:

[#3296] RE: about documentation — Aleksi Niemel<aleksi.niemela@...>

> I want to contribute to the ruby project in my spare time.

15 messages 2000/06/12

[#3407] Waffling between Python and Ruby — "Warren Postma" <embed@...>

I was looking at the Ruby editor/IDE for windows and was disappointed with

19 messages 2000/06/14

[#3410] Exercice: Translate into Ruby :-) — Jilani Khaldi <jilanik@...>

Hi All,

17 messages 2000/06/14

[#3415] Re: Waffling between Python and Ruby — Andrew Hunt <andy@...>

>Static typing..., hmm,...

11 messages 2000/06/14

[#3453] Re: Static Typing( Was: Waffling between Python and Ruby) — Andrew Hunt <andy@...>

32 messages 2000/06/16

[#3516] Deep copy? — Hugh Sasse Staff Elec Eng <hgs@...>

Given that I cannot overload =, how should I go about ensuring a deep

20 messages 2000/06/19

[#3694] Why it's quiet — hal9000@...

We are all busy learning the new language

26 messages 2000/06/29
[#3703] Re: Why it's quiet — "NAKAMURA, Hiroshi" <nahi@...> 2000/06/30

Hi,

[#3705] Re: Why it's quiet — matz@... (Yukihiro Matsumoto) 2000/06/30

Hi,

[ruby-talk:03201] Re: 3-d arrays?

From: Hugh Sasse Staff Elec Eng <hgs@...>
Date: 2000-06-08 16:20:13 UTC
List: ruby-talk #3201
On 8 Jun 2000, Dave Thomas wrote:

> Hugh Sasse Staff Elec Eng <hgs@dmu.ac.uk> writes:
	[...] 
> > In C++ you cannot overload [][][], so I suppose that is true for Ruby
> > as well, is it?
> 
> You can overload [] (and []=, to provide your own array referencing
> semantics.
> 
	[...]
>     def [](x, y, z)
>       @content[index(x, y, z)]
>     end
> 
>     def []=(x, y, z, newVal)
>       @content[index(x, y, z)] = newVal
>     end
	[...]
>   a = ThreeDArray.new(3, 3)
> 
	[...]
>         a[i, j, k] = i * j * k
	[...]

That does the job very nicely, thank you.  Easier to type than [i][j][k]
as well. :-)

> In fact, it wouldn't be hard to extend this one class to handle
> n-dimensional arrays, where 'n' is determined as each object is
> created.

Well, if I ever get on to modelling string theory with 9 dimensions, maybe
I will need that :-).  Three will do me fine for now.

> 
> 
> Regards
> 
> 
> Dave
> 
	Thank you
	Hugh


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