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Answers and rating deltas for
what does the '?' operator mean in c# after a type declaration?
| Author | Votes | Δ |
|---|---|---|
| Habib | 4 | +0.55 |
| Dimitar Dimitrov | 3 | +1.01 |
| bash.d | 0 | -0.39 |
| Ahmed KRAIEM | 0 | -1.21 |
| Sergey Akopov | 0 | -1.40 |
| Nipun Ambastha | 0 | -0.64 |
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