Setting up our first Xcode playground
With the release of Xcode 6, Apple introduced a new feature, called playgrounds. A playground is lightweight compared to a traditional Xcode project and is a great tool to try out things in Swift without having to worry about setting up a complete project. We can use a playground to write our first program, which will not have any GUI.
Creating the playground
Start off by opening up the Xcode application we installed in Chapter 2, Getting Set Up. Look for the following icon in your applications folder:
The first thing you will see in Xcode is the Welcome to Xcode window, which will give you quick access to ...
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