Wes McKinney created ARROW-4399:
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Summary: [C++] Remove usage of "extern template class" from
NumericArray<T>
Key: ARROW-4399
URL: https://issues.apache.org/jira/browse/ARROW-4399
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Wes McKinney
Assignee: Wes McKinney
Fix For: 0.13.0
We aren't using this to any benefit right now (only the simple constructor is
being instantiated once, everything else in inline), and the rules about
template visibility and linkage vary a lot between compilers, as evidenced by
patches such as https://github.com/apache/arrow/pull/3503
In general I think we should try not to use "extern template class" at all in
the codebase for the problems that come with it
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