From: Jano Svitok <jan.svitok@...>
Date: 2008-02-26T23:36:47+09:00
Subject: Re: Array help needed

On Tue, Feb 26, 2008 at 3:20 PM, Zouplaz <user@domain.invalid> wrote:
> Hello, sorry if this question is stupid but I can't find a solution
>  after several readings about Arrays
>
>  Array 'a' contains several objets (ruby classes instances), each
>  instance have an id property
>
>
>  I need a clean solution to return true if array 'a' contains an instance
>  with id foo without iterating the whole array.
>
>  Example
>
>  def add_user(user)
-    unless users.include?(user.id)
+ unless users.any? {|u| user.id == u.id }
>      users << user
>    end
>  end