app/helpers/comparison/application_helper.rb
def compare(m, n)
      comparison = Presenter.new Comparator.new m, n
      yield comparison if block_given?
      comparison
    end
def compare(m, n)
      comparison = Presenter.new Comparator.new m, n
      yield comparison if block_given?
      comparison
    end
:nodoc:

 Returns a Presenter for a Comparator for +m+ and +n+.

 If a block is given, the Presenter is yielded to the block.

 rubocop:disable Naming/UncommunicativeMethodParamName