One example that comes to mind is the delimited continuation primitive (what Guile calls a "prompt" [0]) that would allow for lightweight concurrency in elisp c

One example that comes to mind is the delimited continuation primitive (what Guile calls a "prompt" [0]) that would allow for lightweight concurrency in elisp code, something that elisp is not good at today. [0] https://www.gnu.org/software/guile/manual/html_node/Prompts.html https://www.gnu.org/software/guile/manual/html_node/Prompts....