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a type system is a collection of rules that assign a property called a type to the various constructs—such as variables, expressions, functions or modules— that a computer program is composed of.

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When is it a good idea to include explicit type declarations in Kotlin?

In Kotlin, specifying the return types of functions and the types of variables is usually optional but can be optionally included. I've encountered a few benefits of including them: It sometimes m …
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