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Answers and rating deltas for

What are the uses of pure virtual functions in C++?

Author Votes Δ
Steven Sudit 20 +3.92
Jim Buck 9 +2.68
Jeff L 5 +1.70
none 4 +0.55
Max Lybbert 3 +0.14
chrisbunney 2 -1.54
davidivins 1 -2.94
Uri 0 -0.93
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