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https://issues.apache.org/jira/browse/ARROW-4268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16744227#comment-16744227
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Uwe L. Korn commented on ARROW-4268:
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We can move stuff out from {{arrow::stl}} into the {{type_traits.h}} header.
Currently it is not at that more central place as the stl functionality has not
yet been a first class citizen in the projects. Most of Arrow's structures are
built for runtime types, not compile-time types. We still need to support for
those that already know their column types during compilation.
> [C++] Add C primitive to Arrow:Type compile time in TypeTraits
> --------------------------------------------------------------
>
> Key: ARROW-4268
> URL: https://issues.apache.org/jira/browse/ARROW-4268
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Francois Saint-Jacques
> Assignee: Francois Saint-Jacques
> Priority: Minor
> Fix For: 0.13.0
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> The user would use something like
> {code:c++}
> ...
> using ArrowType = CTypeTraits<int64>::ArrowType;
> using ArrayType = CTypeTraits<int64>::ArrayType;
> auto type = CTypeTraits<int64>::type_singleton();
> {code}
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