From: Brian Candler <b.candler@...>
Date: 2009-10-10T16:57:01+09:00
Subject: Re: Backporting Enumerator.new { ... } to Ruby 1.8.7

Shot (Piotr Szotkowski) wrote:
> What is the sanest way to
> backport the following example so that it works more-or-less in the same
> way under Ruby 1.8.7 as it does under Ruby 1.9?

I backported this form of Enumerator a while back, you can find it in 
the 'facets' library.
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