val ns_table : Ns.table Stdlib.refval register_op : string -> (Value.t list -> Value.t) -> unitval get_globals : (Cduce_types.Compunit.t -> Value.t array) Stdlib.refval get_external : (Cduce_types.Compunit.t -> int -> Value.t) Stdlib.refval set_external : (Cduce_types.Compunit.t -> int -> Value.t -> unit) Stdlib.refval get_builtin : (string -> Value.t) Stdlib.refval expr : Lambda.expr -> int -> Value.tval eval_toplevel : Lambda.code_item list -> unitval eval_var : Lambda.var_loc -> Value.tval eval_unit : Value.t array -> Lambda.code_item list -> unitval eval_apply : Value.t -> Value.t -> Value.t