sdf-jkl commented on PR #10157:
URL: https://github.com/apache/arrow-rs/pull/10157#issuecomment-4795701544

   If we go identity functions for `Variant::as_xx` we can drop 
`Variant::as_u8/16/32/64` from `parquet-variant` entirely and keep them only as 
cast semantics in `parquet-variant-compute`?
   
   [We don't shred to unsigned 
types](https://github.com/apache/parquet-format/blob/master/VariantShredding.md#shredded-value-types)
 and the only path to use it would be cast in `variant_get`, so 
`parquet-variant` can safely drop them.


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