Xcode 9 fixes my biggest complaint about Xcode, which was the text
editor. The new one, based off the one used in the Playgrounds iPad app, is far
better in pretty much every way than the old one. It’s still missing features
(which should be added by release) but I use it as much as I can. It still
suffers from some of the same issues as the old editor, namely that its
functionality breaks almost completely when SourceKit crashes, which is really
annoying for stuff like syntax highlighting and auto indentation, since it
seems like that stuff shouldn’t break when that happens. But it recovers a bit
better now from those situations. The new build system is also really nice,
though largely invisible.
I do find it concerning that Apple is developing Swift features
internally, which is rather antithetical to open source development and leads
to painful transition periods like this where Apple’s version and the open
source version are out of sync. It really doesn’t seem necessary for these
features to be developed privately. I would hope the Swift project takes a more
WebKit-like approach to these features, where all features are developed in the
open source branch, with only the SPI integration private to Apple. Features
like the content filters shipped last year were fully visible in the open
source tree long before WWDC. It would be better for Swift to develop all of
these features in the open.
Jon
> On Jul 4, 2017, at 9:05 PM, David Baraff via swift-users
> <swift-users@swift.org> wrote:
>
> How is xcode9 beta going in general? I would dearly love to start using the
> new Codable stuff, and I don’t have to really worry about swift 3
> compatability — it’s just a question of the xcode 9 beta being safe enough to
> get work done.
>
> (The fact that “yank” was broken makes it a non-starter for me but i’m kind
> of hoping it gets fixed soon.)
>
>
>> On Jul 4, 2017, at 6:02 PM, Anders Hasselqvist via swift-users
>> <swift-users@swift.org <mailto:swift-users@swift.org>> wrote:
>>
>> Hi,
>>
>> I've been trying to use the swift4 snapshot toolchains with Xcode9 beta with
>> little success.
>>
>> When building I get the error:
>> "
>> <unknown>:0: error: unknown argument: '-index-store-path'
>> Command
>> /Library/Developer/Toolchains/swift-4.0-DEVELOPMENT-SNAPSHOT-2017-06-29-a.xctoolchain/usr/bin/swiftc
>> failed with exit code 1
>> "
>>
>> I believe that this because of missing "indexing while building" support in
>> the open source swift in the currently available snapshots. (The feature was
>> merged just a few days ago: https://github.com/apple/swift/pull/10726
>> <https://github.com/apple/swift/pull/10726>)
>>
>> Is there a way to disable "indexing while building" in Xcode9?
>>
>> Thanks,
>> Anders
>>
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>
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