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https://issues.apache.org/jira/browse/ARROW-17289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17574369#comment-17574369
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David Li commented on ARROW-17289:
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[~rtpsw] have you seen the predicates in {{type_traits.h}}? e.g. there is
{{is_integer}}
https://github.com/apache/arrow/blob/a9dcaff86960f3424c25d38c55fc6f8dcf0cdb9f/cpp/src/arrow/type_traits.h#L849
> [C++] Add type category membership checks
> -----------------------------------------
>
> Key: ARROW-17289
> URL: https://issues.apache.org/jira/browse/ARROW-17289
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Yaron Gvili
> Assignee: Yaron Gvili
> Priority: Major
>
> Currently, type categories are only available as vectors, e.g., the category
> of integer types is available via `arrow::IntTypes()`. This issue will add
> type category membership test, e.g. `arrow::IsIntType(type)`.
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