From: "David A. Black" <dblack@...>
Date: 2009-09-16T04:46:59+09:00
Subject: Re: Array of Hashes in an array of hashes - Complicated!

Hi --

On Wed, 16 Sep 2009, Aldric Giacomoni wrote:

> +1 on object creation
>
> There's a Ruby tutorial somewhere on the interblag about creating a
> mini-adventure game. It begins like this:
>
> def Thing
>  attr_accessor :name, :description
> end
>
> And everything starts from there.
>
> def Weapon < Thing
> end
>
> def Sword < Weapon
> end
>
> etc etc. You probably don't need that much breaking down, but it seems
> you do need to break it down some ;-)
> The basic way to think about it is : if I can't explain it in three
> sentences or less, I have to break it down.
>
> If you REALLY REALLY REALLY wanted to create some kind of iterating
> name, you could always do things like
> iterator = 0
> array = []
> while iterator < 30
>  array << "a#{iterator}".to_sym
>  iterator += 1
> end
>
> But that's really dirty...

array = (0...30).map {|i| :"a#{i}" }

(Probably irrelevant to the thread but I couldn't resist :-)


David

-- 
David A. Black, Director
Ruby Power and Light, LLC (http://www.rubypal.com)
Ruby/Rails training, consulting, mentoring, code review
Book: The Well-Grounded Rubyist (http://www.manning.com/black2)