[swift-evolution] SE-184 Improved Pointers

[Taylor Swift]

Should the immutable buffer pointer types also get deallocate()?

On Fri, Aug 18, 2017 at 7:55 PM, Andrew Trick <atrick at apple.com> wrote:

>
> On Aug 15, 2017, at 9:47 PM, Taylor Swift via swift-evolution <
> swift-evolution at swift.org> wrote:
>
> Implementation is here: https://github.com/apple/swift/pull/11464
>
> On Sat, Aug 12, 2017 at 8:23 PM, Taylor Swift <kelvin13ma at gmail.com>
> wrote:
>
>> I’ve revised the proposal based on what I learned from trying to
>> implement these changes. I think it’s worth tacking the existing methods
>> that take Sequences at the same time as this actually makes the design a
>> bit simpler.
>> <https://gist.github.com/kelvin13/5edaf43dcd3d6d9ed24f303fc941214c>
>>
>> *The previous version
>> <https://gist.github.com/kelvin13/1b8ae906be23dff22f7a7c4767f0c907> of this
>> document ignored the generic initialization methods on
>> UnsafeMutableBufferPointer and UnsafeMutableRawBufferPointer, leaving them
>> to be overhauled at a later date, in a separate proposal. Instead, this
>> version of the proposal leverages those existing methods to inform a more
>> compact API design which has less surface area, and is more future-proof
>> since it obviates the need to design and add another (redundant) set of
>> protocol-oriented pointer APIs later.*
>>
>> On Tue, Aug 8, 2017 at 12:52 PM, Taylor Swift <kelvin13ma at gmail.com>
>> wrote:
>>
>>> Since Swift 5 just got opened up for proposals, SE-184 Improved Pointers
>>> is ready for community review, and I encourage everyone to look it over and
>>> provide feedback. Thank you!
>>> <https://github.com/apple/swift-evolution/blob/master/propos
>>> als/0184-improved-pointers.md>
>>>
>>>
>
> Would you mind adding a deallocate method to (nonmutable) UnsafePointer/UnsafeBufferPointer
> to take care of
> [SR-3309](https://bugs.swift.org/browse/SR-3309)?
>
> There’s simply nothing in the memory model that requires mutable memory
> for deallocation.
>
> It fits right in with this proposal and hardly seems worth a separate one.
>
> -Andy
>
>
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