Le jeudi 26 juillet 2007 01:25 +0900, Pit Capitain a ñÄrit :
> 2007/7/24, dohzya <dohzya / gmail.com>:
> > I have a problem with bidirectional relations : how to implements it ?
> > (...)
> > If anyone has a suggestion (solution or link or anything) to implement
> > transparent bidirectional relation... :)
> 
> Hi Etienne,
> 
> in ruby-talk:121602 I posted a little library to implement this.
> Here's your example:
> 
>   require "relation"
> 
>   class Entity
>   end
> 
>   Relation.new Entity, :one, :mother, Entity, :many, :daughters
> 
>   a = Entity.new
>   b = Entity.new
> 
>   a.mother = b
>   puts(b.daughters.include?(a))  # => true
> 
>   a.daughters << b
>   puts(b.mother == a)            # => true
> 
> 
> If you find nothing else maybe I should create my first gem...
> 
> Regards,
> Pit
> 

Why find again ? it's exactly what I want !

I wait for your gem, thanks :)

--
Etienne