sig type space_formatter = (unit, Stdlib.Format.formatter, unit) Stdlib.format val longident : Stdlib.Format.formatter -> Longident.t -> unit val expression : Stdlib.Format.formatter -> Parsetree.expression -> unit val string_of_expression : Parsetree.expression -> string val pattern : Stdlib.Format.formatter -> Parsetree.pattern -> unit val core_type : Stdlib.Format.formatter -> Parsetree.core_type -> unit val signature : Stdlib.Format.formatter -> Parsetree.signature -> unit val structure : Stdlib.Format.formatter -> Parsetree.structure -> unit val string_of_structure : Parsetree.structure -> string val toplevel_phrase : Stdlib.Format.formatter -> Parsetree.toplevel_phrase -> unit val top_phrase : Stdlib.Format.formatter -> Parsetree.toplevel_phrase -> unit val tyvar : Stdlib.Format.formatter -> string -> unit end