alamb commented on a change in pull request #809:
URL: https://github.com/apache/arrow-rs/pull/809#discussion_r717443162



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File path: arrow/src/buffer/mod.rs
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@@ -23,7 +23,7 @@ pub use immutable::*;
 mod mutable;
 pub use mutable::*;
 mod ops;
-pub(super) use ops::*;
+pub use ops::*;

Review comment:
       > Not sure if a big refactoring is worth it if there is a potential 
switch to arrow2 in the future. On the other hand a big-bang switch to arrow2 
seems a bit scary.
   
   I agree it is a bit scary. Here is an interesting PR in DataFusion that is 
close to being fully reviewable that uses arrow2 
https://github.com/apache/arrow-datafusion/pull/68 -- it is interesting to note 
that most changes are fairly mechanical (there are a few kernels that were 
moved, and `StringArray` was renamed `Utf8Array` type stuff , and the 
`ArrayBuilders` was replaced with `MutableArray`
   
   Of course, DataFusion doesn't really use the lower level arrow apis (like 
Buffer or ArrayData) so I don't really have a sense for how much churn 
applications using that lower level API would experience switching to an arrow2 
based implementation
   
   




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