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Answers and rating deltas for
What the difference when declaring these variables in swift using ! or ()
| Author | Votes | Δ |
|---|---|---|
| Christian | 4 | +1.24 |
| Airspeed Velocity | 1 | -0.68 |
| Kelvin Lau | 0 | -2.23 |
| Arbitur | 0 | -2.24 |
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