The beauty of Kotlin type system

Неплохая статья про систему типов в Kotlin.

👉 What is a type?
👉 Why do we have types?
👉 The relation between classes and types
👉 Class vs type in practice
👉 The relationship between types
👉 The subtype of all the types: Nothing
👉 When is some code not reachable?
👉 The type of null

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