# A collection of {ObjectType}s
#
# @example a union of types
#
#   PetUnion = GraphQL::UnionType.define do
#     name "Pet"
#     description "Animals that live in your house"
#     possible_types [DogType, CatType, FishType]
#   end
#
class GraphQL::UnionType < GraphQL::BaseType
  include GraphQL::BaseType::HasPossibleTypes
  attr_accessor :name, :description, :possible_types
  defined_by_config :name, :description, :possible_types, :resolve_type

  def kind
    GraphQL::TypeKinds::UNION
  end
end