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Message from discussion HasRepr vs. (IsTraversableOnce, IsTraversableLike)
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Miles Sabin  
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 More options Jun 28 2012, 4:00 am
From: Miles Sabin <mi...@milessabin.com>
Date: Thu, 28 Jun 2012 09:00:56 +0100
Local: Thurs, Jun 28 2012 4:00 am
Subject: Re: [scala-internals] HasRepr vs. (IsTraversableOnce, IsTraversableLike)

On Wed, Jun 27, 2012 at 7:49 PM, Josh Suereth <joshua.suer...@gmail.com> wrote:
> https://github.com/scala/scala/pull/792

> I decided to clean up the collection extension method mechanism so that it:

> Had less sprawl
> Allowed abstracting over Iterator[_]
> Allowed value classes  (failure in GenJVM for that right now...)

> Just wanted to grab some folks attention/opinions (especially Miles) on that
> pull request before it gets merged.

Looks good to me. I'd avoided the use of a dependent method type (ie.
the result type of fr.A) to allow for 2.9.x compatibility and because
it's maybe not a completely familiar idiom to expect collections
extensions writers to use. But if it's OK on both those counts then I
think it improves  things on balance.

Cheers,

Miles

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Miles Sabin
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