Dynamic Dispatch
Generated on 10/12/2024
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Dynamic dispatch in Swift is a mechanism that allows the program to determine which function to call at runtime, rather than at compile time. This is essential for enabling polymorphism and other abstraction tools. In Swift, dynamic dispatch is used when a method is declared in the main body of a protocol, making it a protocol requirement. Conversely, if a method is declared in a protocol extension, it uses static dispatch, which is more efficient because it allows for compile-time optimizations like inlining and generic specialization.
For more details, you can refer to the session Explore Swift performance (05:54) where this topic is discussed.
Explore Swift performance
Discover how Swift balances abstraction and performance. Learn what elements of performance to consider and how the Swift optimizer affects them. Explore the different features of Swift and how they’re implemented to further understand the tradeoffs available that can impact performance.
A Swift Tour: Explore Swift’s features and design
Learn the essential features and design philosophy of the Swift programming language. We’ll explore how to model data, handle errors, use protocols, write concurrent code, and more while building up a Swift package that has a library, an HTTP server, and a command line client. Whether you’re just beginning your Swift journey or have been with us from the start, this talk will help you get the most out of the language.
Migrate your app to Swift 6
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Go small with Embedded Swift
Embedded Swift brings the safety and expressivity of Swift to constrained environments. Explore how Embedded Swift runs on a variety of microcontrollers through a demonstration using an off-the-shelf Matter device. Learn how the Embedded Swift subset packs the benefits of Swift into a tiny footprint with no runtime, and discover plenty of resources to start your own Embedded Swift adventure.