While expression body syntax can let you skip the return type, sometimes the return type that Kotlin infers from your expression is not what you want. In that case, just add the return type to the function, where it normally would appear after the parameter list.

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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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