Symmetry

def publish_test_report(test_results)
    create_report_directory
    @formatter.generate_report(test_results)
    upload_report 
end

class SymmetricalPublisher
    def publish_rest_report(test_results)
        create_report_directory
        generate_report(test_results)
        upload_report
    end

    def generate_report(test_results)
        @formatter.generate_report(test_results)
    end

V Ruby můžeme zajít ještě mnohem dále.

class ConcisePublisher
    extend Forwardable
    def_delegators :@formatter, :generate_report

    def publish_test_report(test_results)
        create_report_directory
        generate_report(test_results)
        upload_report
    end

Reversing Method

Příklad špatného kódu

class SillyPublisher
    extend Forwardable
    def_delegators :@formatter,
                       :create_report_directory,
                       :generate_report,
                       :upload_report

    def publish_test_report(test_results)
        create_report_directory
        generate_report(test_results)
        upload_report
    end