[GitHub] [arrow] nealrichardson commented on issue #34826: [R] Modernize error handling

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

nealrichardson commented on issue #34826:
URL: https://github.com/apache/arrow/issues/34826#issuecomment-1503782734

   I agree we can do better by using the new tooling. One thing that makes this a little trickier is that usually the error message we're inspecting comes from the Arrow C++ library, where we can't control what class the R error is. 
   
   I wonder if `cpp11`, or our custom wrapping, could at least add a class to the errors from cpp-land? That way, even if we still need to inspect the original error message to know what to do with it, you could limit that logic to the `cpp_error` class and not `error` in general, so that other kinds of errors would bubble up.


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