I’ve mentioned the excellent ReactiveCocoa providing excellent reactive programming additions to Objective-C and PromiseKitg providing a promises implementation to Swift and Objective-C.
Here’s an open source Swift library called RxSwift providing a Swift port of the Reactive Extensions library originally created for .NET from Microsoft. RxSwift appears to be based on the javascript RxJS version of the library.
Like ReactiveCocoa and PromiseKit RxSwift simplifies asynchronous operations, but also has the benefit of familiarity of those using Reactive Extensions with another language, and unified hot and cold observables.
Some concepts have not been implemented in a manner to make things simpler when programming with Swift, so you will want to check out the documentation for all the differences.
You can find RXSwift on Github here.
An excellent addition to Swift.
Original article: Open Source Library Porting Reactive Extensions To Swift
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