type
  EnumSets = enum
    FOO,
    BAR
  FOO_Enum = enum
    FOOBIZ,
    FOOBAZ
  BAR_Enum = enum
    BARBIZ,
    BARBAZ
  Enum = object
    case `set`: EnumSets
    of FOO:
      `enum`: FOO_Enum
    of BAR:
      `enum`: BAR_Enum
# doesn't work because redefinition of `\`enum\``