tustvold commented on code in PR #6893:
URL: https://github.com/apache/arrow-rs/pull/6893#discussion_r1889284118
##########
arrow-buffer/src/buffer/offset.rs:
##########
@@ -162,6 +163,44 @@ impl<O: ArrowNativeType> OffsetBuffer<O> {
}
}
+impl<O: ArrowNativeType + Integer + Copy> OffsetBuffer<O> {
Review Comment:
Perhaps instead of this we could just add
```
pub fn lengths(&self) -> impl Iterator<Item=usize> {
self.0.windows(2).map(|x| x[1].as_usize() - x[0].as_usize())
}
```
Then you'd be able to merge using
```
OffsetBuffer::from_lengths(iter.flat_map(|x| x.lengths()))
```
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