The Old New Thing

Hidden constraints on the result type in Concurrency Runtime tasks

August 12, 2020 Aug 12, 2020 08/12/20

Raymond Chen

If you are using the Concurrency Runtime to represent asynchronous activity, there are some hidden constraints on the type . If you violate these constraints, the compiler will complain, but perhaps not in an obvious way.¹ If you try to create a where does not have a public default constructor, then you get an error like And if the ...