[GitHub] [arrow-rs] alamb commented on issue #558: Make compute kernels easier to use by taking `&ArrayRef` and downcasting internally

Thu, 15 Jul 2021 05:56:05 -0700 


alamb commented on issue #558:
URL: https://github.com/apache/arrow-rs/issues/558#issuecomment-880670906


   Or maybe the signature could be something like 
   
   ```rust
   fn add(left: A, right: A) -> ArrayRef 
   where
     A: AsRef<dyn Array>
   ```
   
   So that we could take either an `&ArrayRef` or `&dyn Array` directly


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