Sorry, I said NSProgress but I meant NSPredicate. I personally can't even imagine what a alternative API for NSPredicate would look like 🤔
> On 15 Mar 2016, at 00:21, Tony Parker <anthony.par...@apple.com> wrote: > > Hi David, > > It’s likely that we’ll have to come up with some alternative API in these > cases. For example, in NSProgress I could imagine a callback for progress > updates instead of observing the properties. It’s not ideal but I don’t think > we want to undertake a reinvention of KVO when we do not have the Objective-C > runtime present (so much of it relies on that dynamic behavior). > > - Tony > >> On Mar 14, 2016, at 4:14 PM, David Hart via swift-corelibs-dev >> <swift-corelibs-dev@swift.org> wrote: >> >> I was looking through Foundation for stuff to do and saw NSProgress, >> NSExpression and NSSortDescriptor. They seem to be most reliant on KVC, and >> as KVC is not available without the Objective-C runtime, I’m not sure what >> those classes are doing here. Are those classes doomed to be dropped? Or is >> there another way to implement them? >> >> David. >> _______________________________________________ >> swift-corelibs-dev mailing list >> swift-corelibs-dev@swift.org >> https://lists.swift.org/mailman/listinfo/swift-corelibs-dev > _______________________________________________ swift-corelibs-dev mailing list swift-corelibs-dev@swift.org https://lists.swift.org/mailman/listinfo/swift-corelibs-dev