tustvold opened a new issue, #2188:
URL: https://github.com/apache/arrow-rs/issues/2188
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
A number of the ArrayData equality comparisons have code along the lines of
```
let lhs_null_count = count_nulls(lhs.null_buffer(), lhs_start +
lhs.offset(), len);
let rhs_null_count = count_nulls(rhs.null_buffer(), rhs_start +
rhs.offset(), len);
if lhs_null_count == 0 && rhs_null_count == 0 {
// Optimised path that ignores nulls
}
```
These kernels aren't actually interested in the null count, purely if there
are any nulls. It stands to reason this question can be answered more
efficiently than computing the actual null count
**Describe the solution you'd like**
A solution that simply looks for the first 0 bit in the provided mask
**Describe alternatives you've considered**
**Additional context**
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