From: "Jan E." <lists@...>
Date: 2012-05-15T02:38:41+09:00
Subject: Re: Understanding Enumerator's yielder

Hi,

Földes László wrote in post #1060708:
> I found a good (and simple) example of Enumerators (Ruby 1.9) in the
> pickaxe book, the triangular_numbers from which I devised a simpler
> (although rather useless) example:
>
> m = Enumerator.new { |yielder| loop {yielder.yield 1 } }
>
> I faithfully copied that 'yielder' parameter but to be honest I don't
> understand where it is defined. Is it possible to modify it?

Modify what? The block parameter contains an instance of 
Enumerator::Yielder, which is used to pass control around.

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