variant objects with case clauses which use constant sets

[disruptek]

type
  MinTypeKind* = enum
    ctkIdent
    ctkFixedArray
    ctkDependentArray

const ctkArrayKinds* = { ctkFixedArray, ctkDependentArray }

type
  MinTypeUse* = object
    case kind*: MinTypeKind
      of ctkArrayKinds: discard
      of ctkIdent: discard