[jira] [Created] (ARROW-12849) [C++] Implement scalar kernel function that computes "isin" for each element in a List array

[Wes McKinney (Jira)]

Wes McKinney created ARROW-12849:
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             Summary: [C++] Implement scalar kernel function that computes 
"isin" for each element in a List<T> array
                 Key: ARROW-12849
                 URL: https://issues.apache.org/jira/browse/ARROW-12849
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++
            Reporter: Wes McKinney


The type signature would look like this:

{code}
(Array<List<T>>, Scalar<T>) -> Array<Boolean>
{code}



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