class Neighbor::Type::Vector

def cast_value(value)
  if value.is_a?(String)
    value[1..-1].split(",").map(&:to_f)
  elsif Utils.array?(value)
    value.to_a
  else
    raise "can't cast #{value.class.name} to vector"
  end
end

def serialize(value)
  if Utils.array?(value)
    value = "[#{value.to_a.map(&:to_f).join(",")}]"
  end
  super(value)
end

def type
  :vector
end