What’s new in Swift 4

There’s very good article on most important changes in Swift 4 by Ray Wanderlich here:

What’s New in Swift 4?


Most important changes are in containers. They promoted strings to containers finally! A lot of cleanups and improvements.
I found Generic Subscripts a good addition. I’ve tried to use generics in my custom class and ran into the fact that I can’t create a subscript. Now I can.
Check it out!

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