This Lesson is for PRO Members.

Subscribe today and get access to all lessons! Plus direct HD download
for offline use, member comment forums, and iTunes "podcast" RSS feed.
Level up your skills now!

UNLOCK THIS LESSON

Already subscribed? Sign In

HIDE PLAYLIST

Use flattening operators instead of nested subscriptions


We are going to see how to avoid virtually any case of a subscribe happening inside another subscribe by replacing it with a flattening operator such as flatMap or mergeAll.