rluvaton commented on code in PR #11196:
URL: https://github.com/apache/arrow-rs/pull/11196#discussion_r4114363522
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arrow-buffer/src/builder/boolean.rs:
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@@ -312,6 +312,27 @@ impl BooleanBufferBuilder {
self.append_packed_range(range, buffer.values())
}
+ /// Copies bits `src` of `data` to position `dest`
+ ///
+ /// # Arguments
+ /// * `src` - The source range of bits to copy
+ /// * `dest` - The destination bit index to copy to
+ ///
+ /// # Example
+ /// ```
+ /// # use arrow_buffer::BooleanBufferBuilder;
+ /// let mut builder = BooleanBufferBuilder::new(0);
+ /// builder.append_slice(&[true, false, false, false, false, true]);
+ /// // Copy values 4.. to position 1
+ /// builder.copy_within(4.., 1);
+ ///
+ /// let output = builder.build().iter().collect::<Vec<_>>();
+ /// assert_eq!(output, vec![true, false, true, false, false, true]);
+ /// ```
+ pub fn copy_within<R: RangeBounds<usize>>(&mut self, src: R, dest: usize) {
Review Comment:
I see that ArrowError is not available in this crate
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