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Posted to issues@arrow.apache.org by "Benjamin Kietzman (Jira)" <ji...@apache.org> on 2019/09/10 14:47:00 UTC

[jira] [Created] (ARROW-6515) [C++] Remove IsSignedInt trait

Benjamin Kietzman created ARROW-6515:
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             Summary: [C++] Remove IsSignedInt trait
                 Key: ARROW-6515
                 URL: https://issues.apache.org/jira/browse/ARROW-6515
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Benjamin Kietzman
            Assignee: Benjamin Kietzman


{{IsSignedInt}} takes either an array or a type as a type argument, which is surprisingly atypical for traits. Furthermore whereas {{is_signed_integer}} returns false for date and other types which are represented by but not identical to integers {{IsSignedInt}} returns true by checking only the {{c_type}}, which leads to {{static_assert(IsSignedInt<HalfFloatType>::value, "")}}. Finally the declaration of {{IsSignedInt}} is far from readable due to nested macro usage.



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