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Answers and rating deltas for

I'm confused about value type () in Swift. What is it, and how am I meant to use it?

Author Votes Δ
rgeorge 3 +3.22
Alexander 3 +1.30
Li Mengran 2 +1.68
matt 1 -0.80
vadian 1 -1.02
Last visited: Sep 5, 2020, 12:36:14 PM