AFAIK, this was first proposed and implemented in Ciao Prolog back in late 90s (modern versions here: https://ciao-lang.org/ciao/build/doc/ciao.html/html.html h

AFAIK, this was first proposed and implemented in Ciao Prolog back in late 90s (modern versions here: https://ciao-lang.org/ciao/build/doc/ciao.html/html.html https://ciao-lang.org/ciao/build/doc/ciao.html/html.html). It was way before Python was popular and JavaScript ever existed.