rluvaton commented on code in PR #9393:
URL: https://github.com/apache/arrow-rs/pull/9393#discussion_r2793135338
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arrow-buffer/src/builder/mod.rs:
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@@ -218,8 +219,12 @@ impl<T: ArrowNativeType> BufferBuilder<T> {
/// ```
#[inline]
pub fn append_n(&mut self, n: usize, v: T) {
- self.reserve(n);
- self.extend(std::iter::repeat_n(v, n))
+ self.buffer.reserve(n * std::mem::size_of::<T>());
Review Comment:
can we revert this as this is the same as `self.reserve(n)`?
```suggestion
self.reserve(n);
```
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