From: Sean O'Halpin <sean.ohalpin@...>
Date: 2012-08-13T08:38:19+09:00
Subject: Re: What should I use instead of Generator in 1.9?

On Sun, Aug 12, 2012 at 11:25 PM, Andrew S. <lists@ruby-forum.com> wrote:
> Thanks!!  How do I implement the equivalent of generator's .next? method
> in order to avoid the following...
>
> irb(main):001:0> @foo = (1..10).each
> => #<Enumerator: 1..10:each>
> irb(main):002:0> while true
> irb(main):003:1> puts @foo.next
> irb(main):004:1> end
[snip]
> StopIteration: iteration reached an end

Well, you could just do this:

begin
  while true
    puts @foo.next
  end
rescue StopIteration
end

or even better (because loop catches the StopIteration for you):

loop do
  puts @foo.next
end

Regards,
Sean