Diff_of_option (ppx_diff.ppx_diff.diffable.Diffable.Diff_of

type 'a derived_on = 'a Base.option

val sexp_of_derived_on : 
  ('a -> Sexplib0.Sexp.t) ->
  'a derived_on ->
  Sexplib0.Sexp.t

val derived_on_of_sexp : 
  (Sexplib0.Sexp.t -> 'a) ->
  Sexplib0.Sexp.t ->
  'a derived_on

val bin_shape_derived_on : Bin_prot.Shape.t -> Bin_prot.Shape.t

val bin_size_derived_on : 
  'a. 'a Bin_prot.Size.sizer ->
  'a derived_on Bin_prot.Size.sizer

val bin_write_derived_on : 
  'a. 'a Bin_prot.Write.writer ->
  'a derived_on Bin_prot.Write.writer

val bin_writer_derived_on : 
  'a. 'a Bin_prot.Type_class.writer ->
  'a derived_on Bin_prot.Type_class.writer

val bin_read_derived_on : 
  'a. 'a Bin_prot.Read.reader ->
  'a derived_on Bin_prot.Read.reader

val __bin_read_derived_on__ : 
  'a. 'a Bin_prot.Read.reader ->
  'a derived_on Bin_prot.Read.vtag_reader

val bin_reader_derived_on : 
  'a. 'a Bin_prot.Type_class.reader ->
  'a derived_on Bin_prot.Type_class.reader

val bin_derived_on : 
  'a. 'a Bin_prot.Type_class.t ->
  'a derived_on Bin_prot.Type_class.t

type ('a, 'a_diff) t =

| Set_to_none
| Set_to_some of 'a
| Diff_some of 'a_diff

include Sexplib0.Sexpable.S2 with type ('a, 'a_diff) t := ('a, 'a_diff) t

include Bin_prot.Binable.S2 with type ('a, 'a_diff) t := ('a, 'a_diff) t

include sig ... end

include Ppx_quickcheck_runtime.Quickcheckable.S2
  with type ('a, 'a_diff) t := ('a, 'a_diff) t

val quickcheck_generator : 
  'a Base_quickcheck.Generator.t ->
  'b Base_quickcheck.Generator.t ->
  ('a, 'b) t Base_quickcheck.Generator.t

val quickcheck_observer : 
  'a Base_quickcheck.Observer.t ->
  'b Base_quickcheck.Observer.t ->
  ('a, 'b) t Base_quickcheck.Observer.t

val quickcheck_shrinker : 
  'a Base_quickcheck.Shrinker.t ->
  'b Base_quickcheck.Shrinker.t ->
  ('a, 'b) t Base_quickcheck.Shrinker.t

include Sexplib0.Sexpable.S2 with type ('a, 'a_diff) t := ('a, 'a_diff) t

val t_of_sexp : 
  'a 'b. (Sexplib0.Sexp.t -> 'a) ->
  (Sexplib0.Sexp.t -> 'b) ->
  Sexplib0.Sexp.t ->
  ('a, 'b) t

val sexp_of_t : 
  'a 'b. ('a -> Sexplib0.Sexp.t) ->
  ('b -> Sexplib0.Sexp.t) ->
  ('a, 'b) t ->
  Sexplib0.Sexp.t

include Bin_prot.Binable.S2 with type ('a, 'a_diff) t := ('a, 'a_diff) t

val bin_shape_t : Bin_prot.Shape.t -> Bin_prot.Shape.t -> Bin_prot.Shape.t

include sig ... end

val bin_size_t : 'a 'b. ('a, 'b, ('a, 'b) t) Bin_prot.Size.sizer2

val bin_write_t : 'a 'b. ('a, 'b, ('a, 'b) t) Bin_prot.Write.writer2

val bin_read_t : 'a 'b. ('a, 'b, ('a, 'b) t) Bin_prot.Read.reader2

val __bin_read_t__ : 'a 'b. ('a, 'b, ('a, 'b) t) Bin_prot.Read.vtag_reader2

val bin_writer_t : 'a 'b. ('a, 'b, ('a, 'b) t) Bin_prot.Type_class.S2.writer

val bin_reader_t : 'a 'b. ('a, 'b, ('a, 'b) t) Bin_prot.Type_class.S2.reader

val bin_t : 'a 'b. ('a, 'b, ('a, 'b) t) Bin_prot.Type_class.S2.t

val get : 
  (from:'a -> to_:'a -> 'a_diff Optional_diff.t @ local) ->
  from:'a derived_on ->
  to_:'a derived_on ->
  ('a, 'a_diff) t Optional_diff.t @ local

val apply_exn : 
  ('a -> 'a_diff -> 'a) ->
  'a derived_on ->
  ('a, 'a_diff) t ->
  'a derived_on

val of_list_exn : 
  ('a_diff list -> 'a_diff Optional_diff.t @ local) ->
  ('a -> 'a_diff -> 'a) ->
  ('a, 'a_diff) t list ->
  ('a, 'a_diff) t Optional_diff.t @ local