Re: Lisp error on function :documentation

[Michael Heerdegen]

Stefan Monnier via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:

> > Or maybe someone has added some nicer solution in the meantime? - I
> > don't recall.
>
> I don't know about nicer, but in Emacs-29, you can use `oclosure-lambda`
> to build a function tagged with a certain type on which you can dispatch
> via `cl-defmethod` and functions's docstrings are fetched via
> `function-documentation` which is a generic function to which you can
> add your own methods for your OClosure type, thus making it possible to
> dynamically build your docstring.

Oh, I think this was what I remembered, thanks.  It's IMO much nicer than
this messing with innards we used to do.  It's also easier to learn.

Or has using an oclosure just for the purpose of dynamical docstring
generation (larger) downsides?

Michael.