Type for something that can be turned into a Disposable.
Includes things that already implement Disposable, objects with an
unsubscribe() method (an Unsubscribable), and functions
with no arguments or return values which are assumed to be unsubscribe
functions, as popularised by React.
Type for something that can be turned into a Disposable.
Includes things that already implement Disposable, objects with an
unsubscribe()method (an Unsubscribable), and functions with no arguments or return values which are assumed to be unsubscribe functions, as popularised by React.