brunal opened a new issue, #9459:
URL: https://github.com/apache/arrow-rs/issues/9459
TypedRunArray dfn is simply:
```
pub struct TypedRunArray<'a, R: RunEndIndexType, V> {
/// The run array
run_array: &'a RunArray<R>,
/// The values of the run_array
values: &'a V,
}
```
Strangely enough, there's no constraint about `V`. But in practice, `V:
Array`.
Impls involving TypedRunArray mandate that `&'a V: ArrayAccessor`.
**Describe the solution you'd like**
Add either `V: Array` or `where &'a V: ArrayAccessor` in `TypedRunArray`
struct definition. I'm not sure which is best. The former is stronger, the
latter is more aligned with usages of TypedRunArray in the codebase.
The former requires tweaking many uses of `TypedRunArray` to add the bound,
the latter changes nothing (as the bound is currently covered).
**Describe alternatives you've considered**
Keep it as-is.
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