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    Answers and rating deltas for
    How to differentiate the returned value of a function using completion block in Objective C?
| Author | Votes | Δ | 
|---|---|---|
| Larme | 2 | +0.91 | 
| dosi | 0 | +0.50 | 
| Yihui Yang | 0 | +0.44 | 
| Sulthan | 0 | -0.59 | 
| najdanovicivan | -1 | -3.51 | 
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