[swift-dev] Is SE-0138 UnsafeRawBufferPointer included in Xcode 8 beta 3?

[Norio Nomura]

Hi,

I confirmed that the release notes has been fixed.
Thanks!

Norio Nomura @norio_nomura

2016-10-13 4:17 GMT+09:00 <ematejska at apple.com>:

> Hi,
>
> On behalf of Apple..
>
> This is an error in the release notes.   You’re not missing anything and
> Swift in Xcode 8.1 beta 2 is the same as Xcode 8.1 beta 3.  Sorry for the
> confusion and we’ll get the release notes fixed up.
>
> Thanks,
> Ewa
>
>
> On Oct 12, 2016, at 2:48 AM, Jens Persson via swift-dev <
> swift-dev at swift.org> wrote:
>
> I'm wondering about this too.
>
> Xcode 8.1 beta 3 doesn't seem to include any of the pointer-related stuff
> mentioned in the release notes section New in Xcode 8.1 beta 3 - Swift
> Compiler.
>
> /Jens
>
>
> On Wed, Oct 12, 2016 at 2:13 AM, Norio Nomura via swift-dev <
> swift-dev at swift.org> wrote:
>
>> The release notes of Xcode 8.1 beta 3 said:
>> > Two types have been added to the Swift standard library: UnsafeRawBufferPointer
>> and UnsafeMutableRawBufferPointer.
>>
>> But I'm getting errors on building sample codes in release notes:
>> ```
>> *➜  **9:10:46 * DEVELOPER_DIR=/Applications/Xcode-beta.app swift
>> Welcome to Apple Swift version 3.0.1 (swiftlang-800.0.56 clang-800.0.42).
>> Type :help for assistance.
>>   1> struct Header {
>>   2.     var x: Int
>>   3.     var y: Float
>>   4. }
>>   5.
>>   6. var header = Header(x: 0, y: 0.0)
>>   7. var byteBuffer = [UInt8]()
>>   8. withUnsafeBytes(of: &header) { (bytes: UnsafeRawBufferPointer) in
>>   9.     byteBuffer += bytes
>>  10. }
>>  11.
>>  12. let intArray = [1, 2, 3]
>>  13.
>>  14. intArray.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) in
>>  15.     byteBuffer += bytes
>>  16. }
>> error: repl.swift:8:1: error: use of unresolved identifier
>> 'withUnsafeBytes'
>> withUnsafeBytes(of: &header) { (bytes: UnsafeRawBufferPointer) in
>> ^~~~~~~~~~~~~~~
>>
>> error: repl.swift:8:40: error: use of undeclared type
>> 'UnsafeRawBufferPointer'
>> withUnsafeBytes(of: &header) { (bytes: UnsafeRawBufferPointer) in
>>                                        ^~~~~~~~~~~~~~~~~~~~~~
>>
>> error: repl.swift:14:36: error: use of undeclared type
>> 'UnsafeRawBufferPointer'
>> intArray.withUnsafeBytes { (bytes: UnsafeRawBufferPointer) in
>>                                    ^~~~~~~~~~~~~~~~~~~~~~
>>
>>
>>   1>
>> ```
>>
>> Am I missing something needed for using them?
>> Thanks,
>>
>> Norio Nomura @norio_nomura
>>
>>
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>>
>>
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