A moment ago I got an error that reads like this:
Type '(() => void) | null' is not assignable to type '() => void | null'. ts2322
I was really confused for a moment. Then I realized
(() => void) | null means: Either a) a function that neither takes any argument nor returns any value; or b) null.
() => void | null means a function that does not take any argument. And there are two possibilities when this function returns: Either it doesn't return anything or it returns a
Here's blog post explaining why the
void keyword is useful while devving.
And I mostly agree with this blog post.