mbrobbel commented on code in PR #8771:
URL: https://github.com/apache/arrow-rs/pull/8771#discussion_r2486648522


##########
arrow-array/src/array/primitive_array.rs:
##########
@@ -501,6 +504,27 @@ pub use crate::types::ArrowPrimitiveType;
 /// assert_eq!(arr.values(), &[1, 2, 3, 4])
 /// ```
 ///
+/// # Example: To a `Vec<T>`
+///
+/// *Note*: Converting a `PrimitiveArray` to a `Vec` does not copy the data.

Review Comment:
   Maybe we should link 
https://docs.rs/arrow/latest/arrow/buffer/struct.Buffer.html#method.into_vec 
because this isn't always zero copy 
(https://docs.rs/arrow-buffer/57.0.0/src/arrow_buffer/buffer/scalar.rs.html#193-200).



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