Standalone test of the Arrow C++ `is_in` kernel

arrow_is_in.cpp

#include <iostream>
#include <arrow/api.h>
#include <arrow/compute/api.h>

int main(int, char**) {

  // lookup set
  std::shared_ptr<arrow::Array> array;
  arrow::Int32Builder builder;
  if (!builder.Append(5).ok()) return 1;
  if (!builder.AppendNull().ok()) return 1;
  if (!builder.Finish(&array).ok()) return 1;

  // input value
  auto value = arrow::Int32Scalar(1);
  //auto value = arrow::MakeNullScalar(arrow::int32());

  // function options
  arrow::compute::SetLookupOptions options;
  options.value_set = arrow::Datum(array);
  //options.skip_nulls = true;
  options.null_matching_behavior = 
    arrow::compute::SetLookupOptions::NullMatchingBehavior::MATCH;
    //arrow::compute::SetLookupOptions::NullMatchingBehavior::SKIP;
    //arrow::compute::SetLookupOptions::NullMatchingBehavior::EMIT_NULL;
    //arrow::compute::SetLookupOptions::NullMatchingBehavior::INCONCLUSIVE;

  auto result = arrow::compute::CallFunction("is_in", {value}, &options);

  std::cout << result.ValueOrDie().scalar()->ToString() << std::endl;
  return 0;
}

Compile and run with

clang++ arrow_is_in.cpp -std=c++17 -I/usr/local/include -L/usr/local/lib -larrow -o test_is_in && ./arrow_is_in