14. Language Features
With the introduction of Objective-C 2.0 in 2006, continued support for Clang and LLVM compiler enhancements, and Xcode 4 in 2011, many useful new features have been added that enhance code readability and reduce the amount of code needed to meet a requirement. This chapter highlights some of the most useful new features that have been added, and some features that have been around a while that are not as well known, including the following:
Literals, which make declaring numbers, arrays, and dictionaries as easy and simple to read as string declarations.
Automatic Reference Counting (ARC), which provides an automated way ...
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