How can I check a newly set ref value

[Adam D Ruppe]

On Saturday, 23 October 2021 at 20:14:25 UTC, solidstate1991 
wrote:
> If I wanted to check whether the assigned value is within a 
> range, and I want to throw a certain exception if outside of 
> it, then how I can do that?

You can't with ref, you will need to do separate getter and 
setter properties for that.