Block-KVO

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as `@keypath(object.property)` is a common objective-c preprocessor trick that you used in your example its worth mentioning that this feature is available here.. https://github.com/jspahrsummers/libextobjc/blob/master/extobjc/EXTKeyPathCoding.h#L38

designerfuzzi

Want my stuff

2

samyyj

Registering change observer without calling block with initial value

3

I have a use pattern where I need to observe changes in a property and trigger special housekeeping and UI related code (like animations). I do not, however, want to...

JamesBucanek