[swift-evolution] SE-0138 UnsafeBytes

Rien Rien at Balancingrock.nl
Fri Sep 2 02:08:16 CDT 2016

Please include this in Swift 3.

I just performed a migration of client/server software from Swift 2.3 to Swift 3 beta in Xcode 8 beta 6. And though I like the UnsafeRawPointer approach, I believe this proposal is more Swift-like and is easier to understand.
In fact I used to have my own UInt8 buffer definition that I cleaned out in the migration. Using the proposed solution would have made this process easier.


> On 02 Sep 2016, at 00:18, Andrew Trick via swift-evolution <swift-evolution at swift.org> wrote:
> I’m resending this for Review Manager Dave A. because the announce list is dropping his messages...
> Hello Swift community,
> The review of "UnsafeBytes" begins now and runs through September
> 7th. This late addition to Swift 3 is a follow-up to SE-0107:
> UnsafeRawPointer. It addresses common use cases for UnsafeRawPointer,
> allowing developers to continue working with collections of UInt8 values,
> but now doing so via a type safe API. The UnsafeBytes API will not require 
> direct manipulation of raw pointers or reasoning about binding memory.
> The proposal is available here:
>  <https://github.com/apple/swift-evolution/blob/master/proposals/0138-unsafebytes.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>
> 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://lists.swift.org/mailman/listinfo/swift-evolution>
> 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?
>  * Does this proposal fit well with the feel and direction of Swift?
>  * If you have used other languages or libraries with a similar
>    feature, how do you feel that this proposal compares to those?
>  * How much effort did you put into your review? A glance, a quick
>    reading, or an in-depth study?
> More information about the Swift evolution process is available at
>  <https://github.com/apple/swift-evolution/blob/master/process.md>
> Thank you,
> -Dave Abrahams
> Review Manager
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