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Application Development with Swift by Hossam Ghareeb

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Playgrounds

We mentioned the Playground feature earlier—it is a new innovative feature supported in Xcode 6 and higher. It gives you the ability to try any piece of code in Swift, and see the results immediately without the need to compile or run the code. So, imagine that you are learning Swift, or working in a project with Swift, and you need to try some code, and check its result. If you are in Objective-C, you need to create a new project, write the code, build, run, and open the simulator to see the results! Very time consuming, isn't it? I mean, it's time consuming here, in the learning track, but after you master the language, you don't need to use Playgrounds. You may just need to use it in test or to check something. To play with the ...

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