Ppx_deriving_fold (ppx_deriving.Ppx_deriving

val deriver : string

val raise_errorf : 
  ?sub:Ocaml_common.Location.error list ->
  ?loc:Ppxlib.Location.t ->
  ('a, unit, string, 'b) Stdlib.format4 ->
  'a

val ct_attr_nobuiltin : Ppxlib__.Import.core_type Ppxlib.Attribute.flag

val argn : int -> string

val argl : string -> string

val pattn : 'a list -> Ppxlib.pattern list

val pattl : 
  Ppxlib.Parsetree.label_declaration list ->
  (string * Ppxlib.pattern) list

val pconstrrec : string -> (string * Ppxlib.pattern) list -> Ppxlib.pattern

val reduce_acc : 
  Ppxlib_ast.Ast.expression ->
  Ppxlib_ast.Ast.expression ->
  Ppxlib_ast.Ast.expression

val expr_of_typ : Ppxlib.Parsetree.core_type -> Ppxlib_ast.Ast.expression

val expr_of_label_decl : 
  Ppxlib.Parsetree.label_declaration ->
  Ppxlib_ast.Ast.expression

val str_of_type : 
  Ppxlib.Parsetree.type_declaration ->
  Astlib.Ast_500.Parsetree.value_binding list

val sig_of_type : 
  Ppxlib.Parsetree.type_declaration ->
  Astlib.Ast_500.Parsetree.signature_item list

val impl_generator : 
  (Astlib.Ast_500.Parsetree.structure_item list,
    Ppxlib__.Import.rec_flag * Ppxlib.Parsetree.type_declaration list)
    Ppxlib__Deriving.Generator.t

val intf_generator : 
  (Astlib.Ast_500.Parsetree.signature_item list,
    Ppxlib__.Import.rec_flag * Ppxlib.Parsetree.type_declaration list)
    Ppxlib__Deriving.Generator.t

val deriving : Ppxlib.Deriving.t