viirya commented on code in PR #2740:
URL: https://github.com/apache/arrow-rs/pull/2740#discussion_r973603956
##########
arrow/src/array/array.rs:
##########
@@ -356,6 +356,19 @@ pub trait ArrayAccessor: Array {
/// # Safety
/// Caller is responsible for ensuring that the index is within the bounds
of the array
unsafe fn value_unchecked(&self, index: usize) -> Self::Item;
+
+ /// Returns a values accessor [`ArrayValuesAccessor`] for this
[`ArrayAccessor`] if
+ /// it supports. Returns [`None`] if it doesn't support accessing values
directly.
+ fn get_values_accessor(&self) -> Option<&dyn ArrayValuesAccessor<Item =
Self::Item>> {
Review Comment:
I don't want to return a `Option<&[Self::Item]>` directly as the semantics
look weird (i.e. some `ArrayAccessor` doesn't provide `values`). This is to
return self as `ArrayValuesAccessor` so the caller can call `values`.
But I think I will remove it based on
https://github.com/apache/arrow-rs/pull/2740#discussion_r973557949.
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