Symtable.GlobalMapval empty : tval filter : (Global_name.t -> bool) -> t -> tval find : Global_name.t -> t -> intval iter : f:(Global_name.t -> int -> unit) -> t -> unitval fold : (Global_name.t -> int -> 'a -> 'a) -> t -> 'a -> 'aval enter : t Stdlib.ref -> Global_name.t -> int