Didn't know about Lua[1], thanks! Although I think I would prefer an explicit syntax, like Tcl's “tailcall”[2], Perl's “goto &sub”[3], or “become”[4], with the

Didn't know about Lua[1], thanks! Although I think I would prefer an explicit syntax, like Tcl's “tailcall”[2], Perl's “goto &sub”[3], or “become”[4], with the compiler checking that this is actually a tail-call. [1]: https://www.lua.org/pil/6.3.html https://www.lua.org/pil/6.3.html [2]: https://wiki.tcl-lang.org/page/tailcall https://wiki.tcl-lang.org/page/tailcall [3]: https://perldoc.perl.org/functions/goto.html https://perldoc.perl.org/functions/goto.html [4]: Which was used in a C-family language I can't remember.