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An Xcode playground demonstrating the new features in in Swift 4.2.
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Whats-new-in-Swift-4.2.playground Correct the generic constraints for countable ranges Sep 25, 2018
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README.md
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README.md

What’s new in Swift 4.2

An Xcode playground demonstrating the new features in Swift 4.2.

Written by Ole Begemann, June–September 2018.

The playground requires Swift 4.2, which is part of Xcode 10.

See also: my What’s new in Swift 4.0 playground from 2017.

Screenshot of the playground

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