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List: ruby-talk
Subject: Re: Enumerable#to_a can run forever
From: Benjamin Kudria <ben () kudria ! net>
Date: 2007-12-26 0:33:40
Message-ID: 7fde431cec578b698e15e83551e10b42 () ruby-forum ! com
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Yukihiro Matsumoto wrote:
> |Fair enough - but then does it make sense to have these operations
> |defined?
>
> Because it's very pragmatically useful for most of the case.
> Theoretical cleanliness is not my concern.
Aah, I see. I guess I agree.
> |Perhaps there should
> |be a way to distinguish between sets that are countable finite and those
> |that are countably infinite?
>
> And adding one burden to library implementer (including me)?
Fair enough :). It would probably be overly confusing for the coder,
too.
> |Does 1.9 include provisions for handling
> |infinite lists or sets?
>
> I think you mean generator. If so, it has been supported since 1.8.
You are correct, I see Generators in 1.8 can do everything I want.
Seems I don't know Ruby as well as I thought. :)
Thanks for clarifying everything.
Ben Kudria
--
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