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Answers and rating deltas for

What does it mean for a function to return an interface?

Author Votes Δ
Joachim Sauer 9 +0.56
Dhruv Gairola 4 +3.21
RajeshS 2 +2.25
atlantis 1 +1.05
Dainius 0 -1.77
Kojotak 0 -1.92
Piyush Mattoo 0 -0.16
Adriaan Koster 0 -0.30
Andreas Dolk 0 -0.45
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