From: Andrea <andrea.reginato@...>
Date: 2005-12-20T00:36:52+09:00
Subject: Re: TheYAML change the id of Object

Logan Capaldo wrote:
> On Dec 19, 2005, at 9:10 AM, Andrea wrote:
> 
>> 		@descrizione = descrizione
>>
>>  #<Termine:0x2ad5f20>:Key T3 in lingua it -- Value: Definizione tre
>>
> You need to overload the == operator and the hash method.
> 
> class Termine
>     alias eql? ==
>     def ==(other)
>            descrizione == other.descrizione and lingua == other. lingua
>     end
>     def hash
>          (descrizione + lingua).hash
>     end
> end
> 
> t = Termine.new("Hi")
> t2 = Termine.new("Hi")
> 
> t == t2 #=> true
> 
> h = {}
> h[t] = "short hello"
> h #=> {#<Termine:0x24a22c @lingua="it", @descrizione="Hi">=>"short
> hello"}
> h.has_key?(t2) #=> true


Thank for your help... this is that I need...
--Andrea

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