Krzysztof Zabłocki • 7/17/2014

Implementing observable in Swift

This technical article explores how to build a native Observable property system for pure Swift classes, filling the gap left by KVO. It details the API design goals, demonstrates usage with code samples, explains leveraging Swift's __conversion() for implicit type compatibility, and discusses encountered compiler issues and a wish-list for language improvements.

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#api design #Swift #Observable