SooHyoung Oh a écrit :
> 
> I heard Ocaml is "safe" language.
> 
> Some questions about "safe" language:
> - Is it necessary for a safe language to have a type system?

 Typing ensures the functions to be applied the right way. So a safe
language must be typed, either dynamically (like LISP) or statically
(like O'Caml).

> - Isn't Lisp a safe language?

 You can consider it as a degenerated version of O'Caml with only one
type (object):
type object =
   | Integer of int
   | String of string
   | Cons of object * object
   | Nil
   ...
 Since functions (from objects to objects) can't fail (no core dump),
LISP may be considered as a safe language...

 Sebastien.
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