rluvaton commented on code in PR #8807:
URL: https://github.com/apache/arrow-rs/pull/8807#discussion_r2510708011
##########
arrow-buffer/src/util/bit_chunk_iterator.rs:
##########
Review Comment:
consider the following (inefficient) code:
```rust
let mut index = 0;
bitwise_bin_op_helper(
... some args that are u64 aligned
|left, right| {
for each bit in left and right {
some_other_array[index] = left_bit & right_bit;
index += 1;
}
return left & right
}
)
```
before and after your change will give different order of bits on certain
endians
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