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Answers and rating deltas for
What are the benefits of covariance and contravariance?
| Author | Votes | Δ |
|---|---|---|
| mqp | 7 | +1.38 |
| BFree | 5 | +0.48 |
| bruno conde | 2 | -1.11 |
| Andrew Flanagan | 1 | -3.71 |
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