another_part_of_system.rb

class Latitude
  def initialize(value)
    @value = value
  end
  
  def to_i
    @value.to_i
  end
end

class Longitude
  def initialize(value)
    @value = value
  end
  def to_i
    @value.to_i
  end
end

class MagicCoordinate
  def initialize; end
  def to_geo_coordinate
    GeoCoordinate.new(magic_latitude, magic_longitude)
  end
end