Stefan Monnier via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:

> > How would you concatenate a list and a stream to a list?
>
> I don't understand the question.

I wanted to imply that (seq-into 'list (list 1 2) (stream (list 3 4)))
errors.

> > Or how would you implement it?
>
> `seq-do` iteration on the various sequences seems like an
> obvious solution.
>
> > Would wrapping `seq-into' over the SEQUENCES be better than only relying
> > on dispatching?
>
> I don't understand this question either.

Why `seq-do'?  My idea was to do this: