In my experience, yes, it started with Xcode 8, though I don’t specifically remember extending types I was using in IB in Xcode 7.
Jon > On Jul 14, 2017, at 11:54 PM, David Baraff <[email protected]> wrote: > >> >> On Jul 14, 2017, at 8:53 PM, Jon Shier via swift-users >> <[email protected] <mailto:[email protected]>> wrote: >> >> Yep, known issue, fixed in Xcode 9 beta 3 according to the release >> notes. Hugely annoying, but comment out the extension, connect the outlet, >> and comment it back it and should work fine. > > thank you! Just to clarify, this isn’t new breakage in xcode 9, but > something broken in xcode 8, yes? > all the more reason to want swift 4 and xcode 9 then... >> >> >> Jon >> >>> On Jul 14, 2017, at 11:51 PM, David Baraff via swift-users >>> <[email protected]> wrote: >>> >>> TL;DR >>> Add an extension to UISlider and interface builder in xcode will no longer >>> believe it has *any* actions. >>> Is this a known issue? >>> >>> >>> 1. I added a UISlider to a storyboard in xcode. I right clicked on it, and >>> saw the usual set of things, particularly, actions (sent events): >>> >>> <PastedGraphic-1.tiff> >>> >>> Next, I wrote this: >>> >>> public protocol ModelDataValuedUIControl: class { >>> var xxcontrolValue:Any { >>> get set >>> } >>> } >>> >>> extension UISlider : ModelDataValuedUIControl { >>> public var xxcontrolValue:Any { >>> get { >>> return self.value >>> } >>> >>> set(newValue) { >>> self.value = newValue as! Float >>> } >>> } >>> } >>> >>> >>> Lo and behold, after compiling, interface builder *hates* sliders, because >>> now the rightclick menu looks like this: >>> <PastedGraphic-2.tiff> >>> >>> _______________________________________________ >>> swift-users mailing list >>> [email protected] >>> https://lists.swift.org/mailman/listinfo/swift-users >> >> _______________________________________________ >> swift-users mailing list >> [email protected] <mailto:[email protected]> >> https://lists.swift.org/mailman/listinfo/swift-users >> <https://lists.swift.org/mailman/listinfo/swift-users>
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