Flowdock
sum(sign, time = ::Time.current) protected

No documentation

This method has no description. You can help the Ruby on Rails community by adding new notes.

Hide source
# File activesupport/lib/active_support/duration.rb, line 78
      def sum(sign, time = ::Time.current) #:nodoc:
        parts.inject(time) do |t,(type,number)|
          if t.acts_like?(:time) || t.acts_like?(:date)
            if type == :seconds
              t.since(sign * number)
            else
              t.advance(type => sign * number)
            end
          else
            raise ::ArgumentError, "expected a time or date, got #{time.inspect}"
          end
        end
      end
Register or log in to add new notes.