CODEWITHSUNDEEP
swiftkotlinenumsnestedoperators
Tim Nuwin
Tim Nuwin

Reputation: 2887

Best way to have nested enums in Kotlin?

So in Swift you can do something like:

public enum OuterEnum {
    public enum InnerEnum {
       ...
    }
}

What would the equivalent be in Kotlin to contain an enum inside an enum?

Upvotes: 5

Views: 8134

Answers (1)

Sergio
Sergio

Reputation: 30645

You can create an inner enum as follows:

enum class OuterEnum {
    OUTER_ITEM1;
    enum class InnerEnum {
        INNER_ITEM1, INNER_ITEM2
    }
}

Or if you don't have items in the OuterEnum:

enum class OuterEnum {
    ;
    enum class InnerEnum {
        INNER_ITEM1, INNER_ITEM2
    }
}

Note that there is a semicolon before declaration of the InnerEnum. To use it just call:

val item = OuterEnum.InnerEnum.INNER_ITEM1

Upvotes: 20

Related Questions