larry98 opened a new pull request, #43761:
URL: https://github.com/apache/arrow/pull/43761

   ### Rationale for this change
   
   Prior to https://github.com/apache/arrow/pull/43256, this PR adds a basic 
implementation that does a linear scan filter over the value set on each 
guarantee. This isolates the correctness/semantics of `is_in` predicate 
simplification from the binary search performance optimization.
   
   ### What changes are included in this PR?
   
   `SimplifyWithGuarantee` now handles `is_in` expressions.
   
   ### Are these changes tested?
   
   A new unit test was added to arrow-compute-expression-test testing this 
change.
   
   ### Are there any user-facing changes?
   
   No.


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