From: Trans <transfire@...>
Date: 2007-10-14T01:00:02+09:00
Subject: Re: Generation of initialize



On Oct 13, 7:55 am, arcadiorubiogar...@gmail.com wrote:
> Thank you both for your replies.
>
> Just a minor detail regarding:
>
>
>
> >    require 'generator'
>
> >    module InitializesWith
> >      def initializes_with(*params)
> >        define_method :initialize do |*args|
> >          iterator = SyncEnumerator.new(params, args)
> >          iterator.each do |param, arg|
> >            instance_variable_set "@#{param}", arg
> >          end
> >        end
> >      end
> >    end
>
> >    class Class
> >      include InitializesWith
> >    end
>
> This:
>
> >    class C
> >      attr_reader :x, :y, :z
> >      initializes_with :x, :y, :z
> >    end
>
> evaluates to a Proc object, due to initializes_with implementation. I
> guess it would be better to return nil at the end. Just a minor
> aesthetic detail as I said.

Return the attributes instead and you can do:

    class C
      attr_reader *initializes_with(:x, :y, :z)
    end

T.