[swift-users] More Swift-like initializers and enums in UIKit

Jens Alfke jens at mooseyard.com
Wed Dec 23 11:34:03 CST 2015

> On Dec 23, 2015, at 9:03 AM, Nick O'Neill via swift-users <swift-users at swift.org> wrote:
> Did I miss a spot where I can submit a PR for this or is there a chance the Swift headers for these UIKit APIs could be made open source in the future?

As with all things Apple that aren’t open source, the answer is “go to bugreport.apple.com and file a request”. :/

There are no Swift headers for Objective-C APIs; the Swift API is derived at compile-time by parsing the .h files. Apple’s not going to open-source things like UIKit, even the headers, because the headers reveal all the functionality in the framework. That would impede their ability to work on features in secret and then announce them at WWDC. (Unless they did their work on internal branches … but then merging those on a yearly basis sounds unpleasant!)

For these and other reasons, I think Swift questions relating to UIKit or AppKit or other closed-source Apple frameworks are better addressed on the cocoa-dev mailing list at lists.apple.com.

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