This returns a function that can be used to force a rerender.
This is sometimes required, when registering for an update of a complex data structure
where only the content changes, but not the address, so updating a state would not trigger
a re-render.
This returns a function that can be used to force a rerender.
This is sometimes required, when registering for an update of a complex data structure where only the content changes, but not the address, so updating a state would not trigger a re-render.