method
sum
sum(sign, time = ::Time.current)
private
Hide source
# File activesupport/lib/active_support/duration.rb, line 450 def sum(sign, time = ::Time.current) unless time.acts_like?(:time) || time.acts_like?(:date) raise ::ArgumentError, "expected a time or date, got #{time.inspect}" end if parts.empty? time.since(sign * value) else parts.inject(time) do |t, (type, number)| if type == :seconds t.since(sign * number) elsif type == :minutes t.since(sign * number * 60) elsif type == :hours t.since(sign * number * 3600) else t.advance(type => sign * number) end end end end