Modular Programming in Scala with the Cake Pattern
Briefly

In the Scala world, the Cake Pattern helps us achieve something similar with our code. It's about breaking down our application into manageable, interchangeable pieces, or 'traits,' that can be easily mixed and matched.
We use something called self-type annotations to declare these dependencies, essentially telling our code, 'Hey, I need these other pieces to work properly.'
Read at Medium
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