viirya commented on code in PR #3778:
URL: https://github.com/apache/arrow-rs/pull/3778#discussion_r1122274287
##########
arrow-buffer/src/buffer/boolean.rs:
##########
@@ -81,4 +104,39 @@ impl BooleanBuffer {
pub fn values(&self) -> &[u8] {
&self.buffer
}
+
+ /// Slices this [`BooleanBuffer`] by the provided `offset` and `length`
+ pub fn slice(&self, offset: usize, len: usize) -> Self {
+ assert!(
+ offset.saturating_add(len) <= self.len,
+ "the offset of the new BooleanBuffer cannot exceed the existing
length"
Review Comment:
```suggestion
"the offset + length of the new BooleanBuffer cannot exceed the
existing length"
```
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