croaky/use_factory_method.rb

## use_factory_method.rb
class Customer
  def initialize(attrs = {})
    @id = attrs[:id]
    @country = attrs[:country]
  end

  def tax_code
    TaxCodes[@country].call(@id)
  rescue
    raise "Tax codes for #{@country} not supported"
  end
end

TaxCodes = {
  'Brazil' => lambda { |id| "#{id}-BR" },
  'USA' => lambda { |id| "US-#{id}" }
}
	class Customer
	def initialize(attrs = {})
	@id = attrs[:id]
	@country = attrs[:country]
	end

	def tax_code
	TaxCodes[@country].call(@id)
	rescue
	raise "Tax codes for #{@country} not supported"
	end
	end

	TaxCodes = {
	'Brazil' => lambda { \|id\| "#{id}-BR" },
	'USA' => lambda { \|id\| "US-#{id}" }
	}