[jira] [Created] (ARROW-4075) [Rust] Reuse buffer builder and array builder after calling finish()

[Chao Sun (JIRA)]

Chao Sun created ARROW-4075:
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             Summary: [Rust] Reuse buffer builder and array builder after 
calling finish()
                 Key: ARROW-4075
                 URL: https://issues.apache.org/jira/browse/ARROW-4075
             Project: Apache Arrow
          Issue Type: Sub-task
          Components: Rust
            Reporter: Chao Sun
            Assignee: Chao Sun
             Fix For: 0.12.0


Currently a buffer/array builder is consumed after {{finish()}} is called. This 
may not be very convenient as one may want to use the same builder for multiple 
arrays. This changes the behavior of it to reset the builder instead.



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