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Swift Programming: The Big Nerd Ranch Guide by John Gallagher, Matthew Mathias

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Part I Getting Started

This part of the book introduces the toolchain for writing Swift code. It introduces Xcode as the Swift developer’s primary development tool and uses playgrounds to provide a lightweight environment for trying out code. These initial chapters will also help you become familiar with some of Swift’s most basic concepts, like constants and variables, which will set the stage for the rest of the book and a deeper understanding of the language.

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