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Posted to jira@arrow.apache.org by "Jörn Horstmann (Jira)" <ji...@apache.org> on 2021/02/02 09:49:00 UTC

[jira] [Created] (ARROW-11471) [Rust] DoubleEndedIterator for BitChunks

Jörn Horstmann created ARROW-11471:
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             Summary: [Rust] DoubleEndedIterator for BitChunks
                 Key: ARROW-11471
                 URL: https://issues.apache.org/jira/browse/ARROW-11471
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust
    Affects Versions: 3.0.0
            Reporter: Jörn Horstmann


The usecase is to efficiently find the last non-null value in an array slice by iterating over the bits in chunks and using u64::leading_zeroes



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