Andy Grove created ARROW-2433:

             Summary: [Rust] Add Builder.push_slice(&[T])
                 Key: ARROW-2433
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Rust
            Reporter: Andy Grove
            Assignee: Andy Grove
             Fix For: 0.10.0

When populating a Builder<u8> with Utf8 data it is more efficient to push whole 
strings as &[u8] rather than one byte at a time.

The same optimization works for all other types too.


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