From: Martin DeMello <martindemello@...>
Date: 2006-08-02T01:04:17+09:00
Subject: Re: Enumerable

On 8/1/06, Michael Saltzman <michael@trainingetc.com> wrote:
> Am new to Ruby and have the folloiwng Question.
>
> I have a class, say Collect, and I want to mixin Enumerable. How do I
> write the each method in Collect?
>
> class Collect
>         include Enumerable
>         def initialize()
>                 @array = Array.new(0)
>                 @ct = 0
>         end
>         def add(item)
>                 @array.push(item)
>                 @ct += 1
>         end
>         def howmany
>                 @ct
>         end
>         def each
>         #
>         #       Not sure how to do this????
>         #
>         end
> end

Assuming you want to iterate over @array,

def each
  @array.each {|i| yield i}
end

martin