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Posted to jira@arrow.apache.org by "Ian Cook (Jira)" <ji...@apache.org> on 2021/04/08 03:41:00 UTC

[jira] [Created] (ARROW-12291) [R] Determine the type of an unevaluated expression

Ian Cook created ARROW-12291:
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             Summary: [R] Determine the type of an unevaluated expression
                 Key: ARROW-12291
                 URL: https://issues.apache.org/jira/browse/ARROW-12291
             Project: Apache Arrow
          Issue Type: Improvement
          Components: R
            Reporter: Ian Cook


There would be several benefits to knowing the data type of an expression before its value has actually been computed. Probably the greatest benefit would be that other expressions could then behave dynamically based on the data types of their inputs. Consider how this capability might be implemented.



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