Getters/setters generator

[Stefan Koch via Digitalmars-d-announce]

On Tuesday, 17 January 2017 at 06:26:35 UTC, Eugene Wissner wrote:
> 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?

setValue(uint _under24)
{
assert(_under24 < 24);
under24 = _under24;
}