Caml.Structuretype elt = structure_itemtype t = structureval binding : ?rec_flag:rec_flag -> value_binding -> structure_itemval declaration : ?rec_flag:rec_flag -> type_declaration -> structure_itemval type_alias : string -> core_type -> structure_itemval modul : string -> structure -> structure_itemval modul' : string -> structure list -> structure_itemval open_utils : structure -> structure_itemval open_utils' : structure list -> structure_itemval pp_caml : Stdlib.Format.formatter -> t -> unit