RosettaCodeData/Task/Hello-world-Standard-error/OCaml/hello-world-standard-error-1.ml

prerr_endline "Goodbye, World!";    (* this is how you print a string with newline to stderr *)
Printf.eprintf "Goodbye, World!\n"; (* this is how you would use printf with stderr *)
	`prerr_endline "Goodbye, World!"; (* this is how you print a string with newline to stderr *)`
	`Printf.eprintf "Goodbye, World!\n"; (* this is how you would use printf with stderr *)`