flatbuffers/tests/union_vector/union_vector.fbs

table MuLan {
  sword_attack_damage: int;
}

table Rapunzel {
  hair_length: int;
}

table Belle {
  books_read: int;
}

union Character {
  MuLan,
  Rapunzel,
  Belle,
}

table Movie {
  characters: [Character];
}

root_type Movie;
file_identifier "MOVI";