From: Jeremy Tregunna <jtregunna@...>
Date: 2006-10-17T11:45:20+09:00
Subject: Re: dynamically assigning instance variables (redux)


On 06-10-16, at 22:35, Bil Kleb wrote:

>  Is there a way to dynamically assign instance variables?
>
>  class SomeClass
>    def initialize(hash)
>      hash.each do |key,val|
>        @#{key} = val # Doesn't work
>      end
>    end
>  end

Replace:

@#{key} = val

with:

self.instance_variable_set(:@"#{key}", val)

> Actually, I'd like the assignment and make them attr_readers too.
>
> Nearly meta-programming clueless,

Not sure on this one, havn't gone too deep into metaprogramming in ruby.

--
Jeremy Tregunna
jtregunna@blurgle.ca