Re: Question: loading code when two packages are load?

[Karl Fogel]

On 08 Sep 2021, Qiantan Hong wrote:
> I’ve been working on the integration of crdt.el with a few other 
> packages (xscheme.el, comint.el).
> Those code only make sense when both crdt.el and the “client” 
> package are loaded.
>
> Is there a way to lazy load those code?
>
> Currently I (require *client-package*) in crdt.el but that causes 
> all client package to be loaded
> when crdt.el is loaded.
> Or I could remove the require but then that leaves bunch of free 
> variable warnings
> (because client package haven’t been loaded) and bunch of command 
> that is
> invokable but not usable.

Would the "autoload" facility solve this problem?

See the section "Autoload" in the Elisp manual:

https://www.gnu.org/software/emacs/manual/html_node/elisp/Autoload.html#Autoload

and this introduction:

https://www.gnu.org/software/emacs/manual/html_node/eintr/Autoload.html

Best regards,
-Karl