[GitHub] [arrow-rs] ritchie46 commented on pull request #269: Aligned vec

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ritchie46 commented on pull request #269:
URL: https://github.com/apache/arrow-rs/pull/269#issuecomment-835725464


   Hi @jorgecarleitao,
   
   I don't mean to build a shadow API. This came up as a point of discussion with @alamb  a while ago. This was used in `polars` and we discussed that it would maybe was a better fit in the `arrow` library. I believe that at that point the mutable buffer API still only worked with bytes, so perhaps our discussion is already outdated.
   
   The rationale for me was that I like the `Vec<T>` API, because it is familiar, and performant. Maybe the performant reasons are outdated as well now that the `mutablebuffer` from `arrow2` is typed? In that case, can we replace this PR with the typed mutablebuffer proposal? :wink: 
   
   One thing that would maybe be interesting for a copy of `Vec<T>`'s API is that we later could easily switch to a  custom allocator on `Vec<T>`, once that's stable.


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