Function initialized

paddle/phi/core/string_tensor.h:107–107

\brief Test whether the storage is allocated. return Whether the storage is allocated.

  /// \brief Test whether the storage is allocated.
  /// return Whether the storage is allocated.
  bool initialized() const override { return holder_ && holder_->ptr(); }

  /// \brief Check if storage is shared with other objects.
  /// \return Whether the storage is shared with other objects.