<How to restrict enums in Kotlin?> I have an enum ...

# stackoverflow

[user]

How to restrict enums in Kotlin?
I have an enum with many values; error codes for example, or some official list of coded values. In my application, I have several functions where only a subset of those values is admissible. How can I derive restricted enums that contain only a subset of the original enum?
For example, I have an externally provided dictionary of error codes that model as enum:
enum class APIError(val: errorCode: Int) {
INCORRECT_CHARACTER(1),
MISSING_VALUE(2),
TOO_SMALL(3),
TOO_LARGE(4)
}

In one...