]> On Sat, Nov 22, 2003 at 01:20:54AM +0100, Kim Nguyen wrote: > external is_bytecode : unit -> bool = "is_bytecode_bytecode" "is_bytecode_native" Neat trick. This _ought_ to work, but it doesn't for some reason: let arg = (true, false) external is_bytecode : bool * bool -> bool = "%field0" "%field1" let () = if is_bytecode arg then print_endline "Bytecode!" else print_endline "Native!" Perhaps someone can explain why ... Rich. -- Richard Jones. http://www.annexia.org/ http://freshmeat.net/users/rwmj Merjis Ltd. http://www.merjis.com/ - improving website return on investment "One serious obstacle to the adoption of good programming languages is the notion that everything has to be sacrificed for speed. In computer languages as in life, speed kills." -- Mike Vanier