Re: [I] BUG: Empty slicing an array backwards beyond the start should be empty [arrow]

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

jorisvandenbossche commented on issue #40642:
URL: https://github.com/apache/arrow/issues/40642#issuecomment-2007675276

   Thanks for the catch! Yet another annoying corner case ..
   
   I was wondering if there isn't some existing functionality to "normalize" slice objects, and https://stackoverflow.com/questions/6246084/sanitize-python-slice pointed to https://docs.python.org/3/reference/datamodel.html#slice.indices
   
   We could test if that helps for us. Although for the case above it still gives negative start/stop values .. :
   
   ```
   In [3]: slice(-6, -6, -1).indices(5)
   Out[3]: (-1, -1, -1)
   ```


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