bug#50214: 28.0.50; cl-struct changes may affect user packages in the wild

[Lars Ingebrigtsen]

Philipp <p.stephani2@gmail.com> writes:

>> Unfortunately, I know of no other way to implement what ts.el does
>> without modifying the accessors, which requires accessing the internal
>> struct details after it is defined.
>
> I haven't checked the code in detail, but AIUI ts.el tries to initialize 
> structure members lazily?  Why not just use a wrapper function for that?
>
> (defun ts-hour (ts)
>   (or (ts--hour ts)
>       (setf (ts--hour ts) (string-to-number (format-time-string "%H" (ts-unix 
> ts)))))
>
> Here ts--hour is the actual accessor, which is private and shouldn't be used 
> outside of ts.el.

Adam, does this suggestion work for you?