Patrick Smith on Twitter: "@mjtsai @jckarter Hopefully though those frameworks are using value types, where they don’t get the ability to subclass/override anyway"

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Joe Groff ‏@jckarter Jul 18

@fzwob @steipete @mjtsai Having to support bugs forever for compatibility also stifles innovation. There's tradeoffs.
1 retweet 5 likes
Michael Tsai ‏@mjtsai Jul 18

@jckarter I don’t understand why you have to support bugs (rather than the promised contract) forever. Why not warn like with deprecation?
Joe Groff ‏@jckarter Jul 18

@mjtsai If subclassing is part of that contract, you have a lot more compatibility surface area to ensure subclassers don't break.
Michael Tsai ‏@mjtsai Jul 18

@jckarter I mean in general—undocumented/unpromised subclassing details and non-subclassing-related bugs.
Joe Groff ‏@jckarter Jul 18

@mjtsai That's more important than technically-correct framework bug fixes or refactorings in a lot of cases.
Patrick Smith ‏@concreteniche Jul 18

@jckarter @mjtsai Could you almost say that some framework bugs were left unfixed because of easy work arounds being possible?
Patrick Smith ‏@concreteniche Jul 18

@jckarter @mjtsai Hopefully this will make it much easier for Apple to fix those framework bugs that are the actual source of pain
1 like
Joe Groff ‏@jckarter Jul 18

@concreteniche @mjtsai I think it'll lead to a more robust third-party framework ecosystem, whatever Apple ends up doing.
1 like
Michael Tsai ‏@mjtsai Jul 18

@jckarter If this is about 3rd party frameworks, the vendor can always put a breaking change in a new version. If necessary to reverse a
1 like
Michael Tsai ‏@mjtsai Jul 18

@jckarter bad decision. Whereas the framework client, without the ability to override, has no recourse.
1 like

@mjtsai @jckarter Hopefully though those frameworks are using value types, where they don’t get the ability to subclass/override anyway

6:03 PM - 18 Jul 2016

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