Function MakeAbortOnSecond

cpp/src/arrow/util/iterator_test.cc:301–309

}

Transformer<TestInt, TestStr> MakeAbortOnSecond() {
  int counter = 0;
  return [counter](TestInt next) mutable -> Result<TransformFlow<TestStr>> {
    if (counter++ == 1) {
      return Status::Invalid("X");
    }
    return TransformYield(TestStr(next));
  };
}

TEST(TestIteratorTransform, Abort) {
  auto original = VectorIt({1, 2, 3});