Method MergeTable

cpp/src/arrow/util/hashing.h:910–915

 public:
  Status MergeTable(const BinaryMemoTable& other_table) {
    return other_table.VisitValuesStatus(0, [this](std::string_view other_value) {
      int32_t unused;
      return this->GetOrInsert(other_value, &unused);
    });
  }
};

template <typename T, typename Enable = void>