Function GetOrInsert

cpp/src/arrow/array/builder_dict.h:89–95

  template <typename T>
  Status GetOrInsert(typename DictionaryValue<T>::type value, int32_t* out) {
    // We want to keep the DictionaryMemoTable implementation private, also we can't
    // use extern template classes because of compiler issues (MinGW?).  Instead,
    // we expose explicit function overrides for each supported physical type.
    const typename DictionaryValue<T>::PhysicalType* physical_type = NULLPTR;
    return GetOrInsert(physical_type, value, out);
  }

 private:
  Status GetOrInsert(const BooleanType*, bool value, int32_t* out);