Re: [PR] GH-39793: [R] Export the C Data Interface allocators and document $export_to_c() / $import_from_c() [arrow]

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

paleolimbot commented on PR #51236:
URL: https://github.com/apache/arrow/pull/51236#issuecomment-5923673502

   Thanks for the ping!
   
   I'm an obvious fan of nanoarrow...the pointer functions there are hopefully well documented and help you get/work with the addresses in various ways that aren't exposed here. If for some reason you don't want that as a runtime dependency, you can also inline the allocators and deleters (by copying this header or adding nanoarrow to `LinkingTo` and using it directly): https://github.com/apache/arrow-nanoarrow/blob/main/r/inst/include/nanoarrow/r.h ).
   
   That said, documenting `import_from_c()` and `export_to_c()` I think is reasonable. They have been around for a long time and aren't likely to change as far as I know.


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