Martynas Mickevičius f2553eb3b6 #19446 #18869 Add IOResult ... which is used as a materialized value for Sources/Sinks that work with IO.		2016-01-21 18:06:42 +02:00
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docs	#19446 #18869 Add IOResult	2016-01-21 18:06:42 +02:00