Why this doesn't produce an error or works as expected?

[partypooper]

On Saturday, 5 July 2025 at 08:08:08 UTC, Jonathan M Davis wrote:
> On Friday, July 4, 2025 12:04:55 PM Mountain Daylight Time 
> partypooper via Digitalmars-d-learn wrote:
>> [...]
>
> The only time that a setter function would be triggered would 
> be assignment such as
>
> [...]

Thanks for your thorough answer. Thats for sure a little bit sad. 
It would be only a little bit of inconvenience if it would error, 
but silently ignoring such thing could really be one time hard to 
spot bug.