Functions can return values.

In the function declaration, the return type appears after the parameter list, separated from the parameter list itself via a colon.

Then, you can use the return keyword in the function body to indicate the value to be returned by that function.

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Assigning Function Results Chaining to Superclass Functions Default Parameter Values Expression Bodies Expression Bodies and Return Types Functions with Parameters Functions with Return Types Hello, World! (In a Function) Infix Functions Inheritance and Functions Inheritance and Overriding Functions Local Variables Named Parameter Values override is Transitive Spread Operator Spread Operator with Primitive Types Values for Varargs Varargs
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