4 ms·
> A type of `some{T} | undefined` means that the expression can have values `Some(_)` or `None` or `undefined` Can you please explain this further? Why is `Non
by mbo 6y ago
> A type of `some{T} | undefined` means that the expression can have values `Some(_)` or `None` or `undefined`
Can you please explain this further? Why is `None` an inhabitant of this union?