[GitHub] [arrow-rs] tustvold commented on pull request #4379: Add more examples of constructing Boolean, Primitive, String, and Decimal Arrays, and From impl for i256

["tustvold (via GitHub)" <gi...@apache.org>]

tustvold commented on PR #4379:
URL: https://github.com/apache/arrow-rs/pull/4379#issuecomment-1581177206

   > (BTW can't we do zero copy from Vec to Array now?)
   
   Only in the case of an array of native types, i.e. `Vec<i32>`. `Vec<Option<i32>>`, `Vec<&str>`, Vec<Option<&str>>`, etc... are not zero-copy, thats the reason to encourage the use of the constructors
   
   > Yes, please, give me an example of how to do it / what to do and I can update the docs.
   
   I can add some as a follow up, I think I need to make it easier to construct NullBuffers first :sweat_smile: 


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