Re: Getters/setters generator

[Eugene Wissner via Digitalmars-d-announce]

On Friday, 9 December 2016 at 18:53:55 UTC, Andrei Alexandrescu 
wrote:

Love it, and was toying with similar ideas too. One good 
extension is to add a predicate to the setter, which guards the 
assignment. -- Andrei

What kind of predicate do you mean? Can you give an example 
please?