Re: Is there any easy way to fork in elisp? Why not?

[Zhiwei Chen]

Rudi C <rudiwillalwaysloveyou@gmail.com> writes:

> The fork API could be:
> ```
> (let-fork ((some_val (expensive_compute)) ...)  
>  (lambda()
>    (message "Computed: %s" some_val)))
> ``` 
> Where emacs forks for every binding, and computes the results, and finally, 
> asynchronously calls the supplied callback function with all of the
> bindings available, similar to a closure.
>
> I am sure there are better API designs, but my point is that this fork API 
> should be very easy and work with synchronous third-party code, just like a
> shell (or GNU Parallel). Parallelism via multiprocessing should be easy and 
> painless.
>
> The third-party packages for parallelism that I have skimmed, start a fresh 
> emacs instance, and do not fork, which is useless, as all the needed data
> and behavior needs to be manually reloaded by the user.
>
> PS: Please use reply-to-all, I am not currently subscribed to the list. Thank 
> you.
>

Maybe `async-let' 
https://github.com/jwiegley/emacs-async/blob/master/async.el#L405 is what your 
want.

-- 
Zhiwei Chen