lib/timespan/span.rb in timespan-0.2.0 vs lib/timespan/span.rb in timespan-0.2.1

@@ -4,9 +4,11 @@
 	module Span
 		attr_reader :duration
 
 		def duration= duration
 			@duration = case duration
+			when Timespan
+				duration.duration
 			when Duration
 				duration
 			when Numeric, Hash
 				Duration.new duration
 			when String
\ No newline at end of file