Wes McKinney created ARROW-1481:
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Summary: [C++] Expose type casts as generic callable object that
can write into pre-allocated memory
Key: ARROW-1481
URL: https://issues.apache.org/jira/browse/ARROW-1481
Project: Apache Arrow
Issue Type: New Feature
Components: C++
Reporter: Wes McKinney
Follow up to ARROW-229. Some projects may reuse temporary buffers, so presuming
you know how much memory to allocate, you will want to be able to invoke the
cast closures in generic way.
The API created in doing this should be deemed experimental as we iterate
towards a more generic analytical kernel evaluation model
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