def verify_unused(names) # :nodoc:
      names.each do |name|
        verify_unused_in_option(name,flags,"flag")
        verify_unused_in_option(name,switches,"switch")
      end
    end
def verify_unused(names) # :nodoc:
      names.each do |name|
        verify_unused_in_option(name,flags,"flag")
        verify_unused_in_option(name,switches,"switch")
      end
    end
Checks that the names passed in have not been used in another flag or option