I suggest adding flag - `full: bool`
by default it is False. And if it is True, then it runs:
https://github.com/numpy/numpy/blob/main/doc/neps/nep-0001-npy-format.rst
The whole point is that it should be implemented in C.
Currently:
```
def save(a):
m = io.BytesIO()
np.save(m, a) #
Good evening, Ralf!
I beg your pardon, for some reason I didn't get the notification of your
response to this issue and couldn't answer in a more timely fashion.
We'll cover all the mentioned points in shortest time possible (also some
university and job projects) and I really appreciate such
