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Answers and rating deltas for

Why does this case statement need an "if else" and not just an "if"?

Author Votes Δ
John Zwinck 3 +0.95
MikeCAT 3 +0.66
bruno 1 -1.25
user26742873 0 -2.93
Last visited: Oct 18, 2020, 5:58:00 PM