alamb commented on a change in pull request #1129:
URL: https://github.com/apache/arrow-rs/pull/1129#discussion_r777225544
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File path: arrow/src/array/cast.rs
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@@ -21,7 +21,7 @@ use crate::array::*;
use crate::datatypes::*;
/// Force downcast ArrayRef to PrimitiveArray<T>
-pub fn as_primitive_array<T>(arr: &ArrayRef) -> &PrimitiveArray<T>
+pub fn as_primitive_array<T>(arr: &dyn Array) -> &PrimitiveArray<T>
Review comment:
As `ArrayRef` now implements `Array` all previous calls to this function
will still compile and we can also pass `&dyn Array` as well
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