Method CopyOnWrite

include/tvm/ffi/container/array.h:661–669

! * \brief Copy on write semantics * Do nothing if current handle is the unique copy of the array. * Otherwise make a new copy of the array to ensure the current handle * hold a unique copy. * * \return Handle to the internal node container(which ganrantees to be unique) */

   * \return Handle to the internal node container(which ganrantees to be unique)
   */
  ArrayObj* CopyOnWrite() {
    if (data_ == nullptr) {
      return SwitchContainer(ArrayObj::kInitSize);
    }
    if (!data_.unique()) {
      return SwitchContainer(capacity());
    }
    return static_cast<ArrayObj*>(data_.get());
  }

  /*! \brief specify container node */
  using ContainerType = ArrayObj;