13: Objective-C and Swift
Abstract
Objective-C was designed as an alternate way to add object-oriented concepts to the C programming language. There's also a variant of the language called Objective-C++, which combines the syntax of C++ and Objective-C. This chapter starts with a review of how interface design differs between C++ and Objective-C. Then it shows how C++ and Objective-C++ code can interoperate effectively, including how to use Objective-C behind a C++ application programming interface (API) and how to use C++ behind an Objective-C API. Finally, the Objective-C language has been superseded by the Swift programming language, so the chapter also covers how to call C++ code from behind a Swift API.
Keywords
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