To_hlist (h_list.Ppx_h_list.To

val deriver_name : string

val str_decl : 
  loc:Ppxlib__.Location.t ->
  Ppxlib.type_declaration ->
  Ppxlib.structure_item

val sig_decl : 
  loc:Ppxlib__.Import.location ->
  Ppxlib.type_declaration ->
  Ppxlib.signature_item

val str_type_decl : 
  loc:Ppxlib__.Location.t ->
  path:'a ->
  ('b * Ppxlib.type_declaration Base.List.t) ->
  Ppxlib.structure

val sig_type_decl : 
  loc:Ppxlib__.Import.location ->
  path:'a ->
  ('b * Ppxlib.type_declaration Base.List.t) ->
  Ppxlib.signature

val deriver : Ppxlib.Deriving.t