Re: Incorporating caching into defgroup/defcustom/defvar for Emacs 25

[Stefan Monnier]

> I'll look into these specific use cases, but ultimately everything can be
> (and probably already is) stored in variables.

In the case of desktop.el the state is kept in a whole bunch of
different places.  Same for savehist.el where the state is spread over
several variables.

> This could be used to restore frame configuration, for instance.

That's right: for states that aren't stored in variables, we clearly
need both a getter and a setter.


        Stefan