Expr.Helpersval int : int -> Typed.tval float : float -> Typed.tval complex : (float * float) -> Typed.tval str : string -> Typed.tval variable : string -> Typed.tval zero : Typed.tval one : Typed.tval unary_op : Operator.t -> Typed.t -> Typed.tval binop : Typed.t -> Operator.t -> Typed.t -> Typed.tval binop_list : Typed.t list -> Operator.t -> default:Typed.t -> Typed.tval row_vector : float list -> Typed.tval vector : float list -> Typed.tval matrix : float list list -> Typed.tval complex_row_vector : (float * float) list -> Typed.tval complex_vector : (float * float) list -> Typed.tval loop_bottom : Typed.tval internal_funapp : 'a t Internal_fun.t -> 'a t list -> 'a -> 'a tval contains_fn_kind : ('a t Fun_kind.t -> bool) -> ?init:bool -> 'a t -> boolval infer_type_of_indexed : UnsizedType.t -> 'a Index.t list -> UnsizedType.t