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This article will be the final third of my investigation, looking at sequencing and threading in Combine; what guarantees does Combine offer for thread safety and delivery order. I'll finish up with a quick look at Combine's performance.
This middle third of the investigation will span a trio of topics: sharing computation, shared reference lifetimes and sharing subscribers.
This article will be the first third of my investigation into Combine, covering an effort to re-implement the three key protocols of Combine: `Publisher`, `Subscriber` and `Subscription`
CwlViews is a library that offers declarative construction for all common iOS and macOS view and application objects. The result hides many of the busywork tasks that consume much of Cocoa application programming, leaving behind a highly concise, declaratively constructed, view-state driven, reactively connected experience.
I'll explain why I consider reactive programming to be one of the most important design patterns for application programming by looking at three scenarios that are common in application development, yet are a drain on development time, lead to frequent bugs and make design and refactoring hard. I'll show how reactive programming addresses the verbosity, eliminates the unsafety and restructures the code to aid maintainability.
In this article, I'm presenting CwlSignal. It is the latest Swift iteration of a library that I've been using for reactive programming for the last few years. CwlSignal is simple, fast, threadsafe and full-featured while offering a number of unique abilities.
