Xcode 7.3 beta build adds awesome new Interactive Playgrounds feature for Swift apps

NewtonsCradleSwiftTNW
Xcode 7.3 beta 2 is out, and adds one feature developers using Swift will really enjoy: Interactive Playgrounds. While Playgrounds have been a favorite for testing code for some time, it was a fairly static I/O protocol for making sure the code was correct. Now, you can test to see if the code you put in will actually perform while in use. Apple also has a nifty example of how Interactive Playground will work. So long as you have the Xcode 7.3 beta 2 installed, the NewtonsCradle.playground file is a good example of how you can actually test code in Playgrounds. It’s…

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