[#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:03520] Re: Deep copy?

From: Hugh Sasse Staff Elec Eng <hgs@...>
Date: 2000-06-19 16:13:40 UTC
List: ruby-talk #3520
On Tue, 20 Jun 2000, GOTO Kentaro wrote:

> In message "[ruby-talk:03516] Deep copy?"
>     on 00/06/19, Hugh Sasse Staff Elec Eng <hgs@dmu.ac.uk> writes:
> >Given that I cannot overload =, how should I go about ensuring a deep
> >copy of an object, as opposed to a shallow copy?
> 
> I think there isn't general way. The meaning of deep copy depends on
> target object, so we have define such method for each class. 

OK.  I can live with that I suppose.
> 
> Marshal.dump is another option, but not perfect. 
> 
>   class Object
>     def deep_copy
>       Marshal.load(Marshal.dump(self))
>     end
>   end
> 
> Maybe, deep copy is not suitable operation for an object. 

The only case I can think of is a self referencing object, but
that is a special case for other things (like garbage collection?) too.
> 
> -- gotoken
> 
> 
	Hugh


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