Method MergeFrom

cpp/src/arrow/compute/kernels/aggregate_var_std_internal.h:114–114

  }

  void MergeFrom(int level, const Moments& other) { *this = Merge(level, *this, other); }

  static Moments Merge(int level, const Moments& a, const Moments& b) {
    using ::arrow::internal::NeumaierSum;