[swift-evolution] [Accepted] SE-0142: Permit where clauses to constrain associated types

[Douglas Gregor]

> On Oct 6, 2016, at 1:09 AM, Goffredo Marocchi <panajev at gmail.com> wrote:
> 
> Not to start an argument, but I am more concerned about how we go about avoiding the Swift 3.0 issue where a bunch of accepted proposals did not make the implementation cut

For this *specific* feature, the implementation is well underway, so I’m not concerned about it not making Swift 4.
In general, we’re trying to focus Swift 4 more narrowly (as Chris noted in https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20160725/025676.html <https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20160725/025676.html>) so we’re less likely to review & accept something that won’t actually get implemented.

> and were not all automatically dragged on the next release, but would have essentially to be discussed and agreed upon again. Please do tell me if I misunderstood something here, I apologise if so.

The core team talked about this a bit recently. I’m working on a more comprehensive write-up, but most of the proposals in this category are additive and can be rolled forward.

	- Doug

> 
> Sent from my iPhone
> 
> On 12 Nov 2016, at 08:40, Adrian Zubarev via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
> 
>> Accepted for which release? Swift 3.1 or Swift 4.0? Thanks.
>> 
>> 
>> 
>> 
>> -- 
>> Adrian Zubarev
>> Sent with Airmail
>> 
>> Am 6. Oktober 2016 um 01:19:54, Douglas Gregor via swift-evolution (swift-evolution at swift.org <mailto:swift-evolution at swift.org>) schrieb:
>> 
>>> Proposal Link: https://github.com/apple/swift-evolution/blob/master/proposals/0142-associated-types-constraints.md <https://github.com/apple/swift-evolution/blob/master/proposals/0142-associated-types-constraints.md>
>>> 
>>> Hello Swift Community,
>>> 
>>> The review of SE-0142 "Permit where clauses to constrain associated types” ran from September 23…30, 2016. Feedback on this proposal was overwhelmingly positive. The proposal is accepted. 
>>> 
>>> - Doug
>>> 
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