From: Joey Zhou <yimutang@...>
Date: 2011-04-19T21:49:05+09:00
Subject: Re: How to use Enumerator::Generator in Ruby 1.9.2

e = Enumerator.new do |y|
  y << 1
end

p e #=> #<Enumerator: #<Enumerator::Generator:0x1345b00>:each>

well, it seems that e is an Enumerator, but has an Enumerator::Generator
in it. I am confused what on earth Enumerator::Generator is. Can I get
an object that can return "Enumerator::Generator" if I type "obj.class"?

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