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  1. type record_type = {foo : unit -> unit};;
  2. type object_type = <foo : unit -> unit>;;
  3. type either = Record of record_type | Object of object_type;;
  4.  
  5. let do_foo something =
  6.     match something with
  7.         Record r -> r.foo ()
  8.       | Object o -> o#foo ();;
  9.  
  10.  
  11. let foo_rec = {foo = (fun () -> print_endline "foo")};;
  12. let foo_obj = object method foo () = print_endline "foo" end;;
  13.  
  14. do_foo (Record foo_rec);;
  15. do_foo (Object foo_obj);;
Success #stdin #stdout 0.01s 2780KB
comments (?)
stdin 
Standard input is empty
stdout 
foo
foo
https://ideone.com/pcsT5Y
language:
OCaml (ocamlopt 4.05.0)
created:
11 years ago
visibility:
public

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