A UIViewController subclass specifically geared toward async data fetching.
A simple Objective-C component for invoking blocks after a specified interval, overriding previous invocations.
A serial queue supporting async operations. The next operation starts only after the previous one completes.
Presents short notifications over a view. Supports queuing and 3 presentation styles.
SwiftyAs is an Objective-C kinda way to do
as? casting like in Swift.