[swift-evolution] [swift-evolution-announce] [Review] SE-0048: Generic Type Aliases

Dave Abrahams dabrahams at apple.com
Thu Mar 24 15:18:42 CDT 2016

on Thu Mar 24 2016, Douglas Gregor <dgregor-AT-apple.com> wrote:

> Hello Swift community,
> The review of SE-0048 "Generic Type Aliases" begins now and runs through March 29, 2016. The proposal is available here:
> https://github.com/apple/swift-evolution/blob/master/proposals/0048-generic-typealias.md
> Reviews are an important part of the Swift evolution process. All reviews should be sent to the swift-evolution mailing list at
> https://lists.swift.org/mailman/listinfo/swift-evolution <https://lists.swift.org/mailman/listinfo/swift-evolution>
> or, if you would like to keep your feedback private, directly to the
> review manager. When replying, please try to keep the proposal link at
> the top of the message:
> Proposal link:
> https://github.com/apple/swift-evolution/blob/master/proposals/0048-generic-typealias.md
> Reply text
> Other replies
>  <https://github.com/apple/swift-evolution#what-goes-into-a-review-1>What goes into a review?
> The goal of the review process is to improve the proposal under review
> through constructive criticism and, eventually, determine the
> direction of Swift. When writing your review, here are some questions
> you might want to answer in your review:
> What is your evaluation of the proposal?
> Is the problem being addressed significant enough to warrant a change
> to Swift?

That's my biggest question about this proposal.  Yes, as the proposal
says, generic type aliases fill an obvious functional gap.  But what
real-world problems are they solving and why should adding them be a


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