[swift-corelibs-dev] Foundation and explicit pointer nullability (CI edition)

Jordan Rose jordan_rose at apple.com
Tue Apr 12 15:10:12 CDT 2016

Final update: we decided it was cleaner to just update Foundation now rather than building with a separate branch and having to work out those dependencies, so essentially nothing will change. The pull request has been landed but is still planned to have a full post-commit review at a later date.

Apologies for all the confusion!

> On Apr 11, 2016, at 20:56 , Jordan Rose via swift-corelibs-dev <swift-corelibs-dev at swift.org> wrote:
> Update: we've created the master-before-optional-pointers branch at ff373e9, but run into some complications putting this plan into action. (Specifically, I forgot that SwiftPM depends on XCTest for its test cases, and that XCTest of course depends on Foundation.) I'll send another message tomorrow with any new developments.
> Jordan
>> On Apr 11, 2016, at 12:23 , Jordan Rose via swift-corelibs-dev <swift-corelibs-dev at swift.org <mailto:swift-corelibs-dev at swift.org>> wrote:
>> Hi, swift-corelibs-dev. I'm planning to land the changes for SE-0055: Making pointer nullability explicit <https://github.com/apple/swift-evolution/blob/master/proposals/0055-optional-unsafe-pointers.md> this afternoon in the Swift compiler; however, the corresponding diff for Foundation is fairly large (PR #304 <https://github.com/apple/swift-corelibs-foundation/pull/304>). Because of this, we've decided to hold off on migrating Foundation to the new model for UnsafePointer, so that it can be reviewed at leisure. This means that for a period of time, swift-corelibs-foundation will not build against the 'master' branch of the compiler. Instead, we're going to make a branch today that's passed all the CI checks, and use that for regression-testing (and building) Foundation for now.
>> Mishal, Jacob, or I will send a follow-up email once the compiler branch has been created, and another once CI has been updated.
>> Jordan
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