Type Alias
The video a learner continues with, as an index into the list, and why.
none
start
continue
rewatch
The video a learner continues with, as an index into the list, and why.
none— the list holds no videos.start— nothing is watched and no record names a video of the list; the first video.continue— the anchor, or the first unfinished video after (or, failing that, before) it.rewatch— every video is finished; the first video, to watch again.