| 70 | Scratch& scratch) = 0; |
| 71 | |
| 72 | virtual void append( |
| 73 | const RowVectorPtr& vector, |
| 74 | const folly::Range<const IndexRange*>& ranges) { |
| 75 | Scratch scratch; |
| 76 | append(vector, ranges, scratch); |
| 77 | } |
| 78 | |
| 79 | virtual void append( |
| 80 | const RowVectorPtr& vector, |