| # | Line 69 | Line 69 | namespace oopse{ | |
|---|---|---|
| 69 | delete previousSnapshot_; | |
| 70 | } | |
| 71 | ||
| 72 | < | virtual bool advance() {} | 
| 72 | > | virtual bool advance() { return true; } | 
| 73 | ||
| 74 | virtual Snapshot* getSnapshot(int id) = 0; | |
| 75 | ||
| – | Removed lines | 
| + | Added lines | 
| < | Changed lines | 
| > | Changed lines |