let rec print fmt = function
| Const cs -> print_cs true fmt cs
| Elem (s, _) -> fprintf fmt "%a" Hstring.print s
| Access (a, li) ->
fprintf fmt "%a[%a]" Hstring.print a (Hstring.print_list ", ") li
| Arith (x, cs) ->
fprintf fmt "@[%a%a@]" print x (print_cs false) cs