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Excerpt From: Apple Inc. “The Swift ProgrAMMing Language.” iBooks

You Could use a type property which default value is a closure. So the code in the closure would be executed when the type property (or class variablE) is set.

 

But class stored properties not yet supported (tested in Xcode 8).

One answer is to use static,it is the same as class final.

Good link for that is

Excerpt From: Apple Inc. “The Swift ProgrAMMing Language.” iBooks

Code example:

 

Prints

So it is lazy evaluated.

 

https://stackoverflow.com/questions/24137212/initialize-class-method-for-classes-in-swift

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