recover
Allow sending of one last element downstream when a failure has happened upstream.
Description
Allow sending of one last element downstream when a failure has happened upstream.
Throwing an exception inside recover
will be logged on ERROR level automatically.
emits when the element is available from the upstream or upstream is failed and pf returns an element
backpressures when downstream backpressures, not when failure happened
completes when upstream completes or upstream failed with exception pf can handle