Daniël Heres created ARROW-10892:
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             Summary: [Rust] Introduce iterators over T for arrays
                 Key: ARROW-10892
                 URL: https://issues.apache.org/jira/browse/ARROW-10892
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: Daniël Heres


The value functions in the primitive / string / etc arrays are often used to 
get elements at i in a loop.  Some of them don't have boundary checks for 
performance reasons, so usage of them is unsafe.

We should introduce a safe iterator that doesn't do boundary checks and can be 
used to iterate over the elements of the array. Maybe values_iter would be a 
good name?



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