Ast_helper.RfRow fields
val mk : ?loc:loc -> ?attrs:attrs -> Parsetree.row_field_desc -> Parsetree.row_fieldval tag : ?loc:loc -> ?attrs:attrs -> Asttypes.label with_loc -> bool -> Parsetree.core_type list -> Parsetree.row_fieldval inherit_ : ?loc:loc -> Parsetree.core_type -> Parsetree.row_field