Module S1_plain.Diff
type 'a derived_on = 'a tval get :
(from:'a -> to_:'a -> 'a_diff Diffable.Optional_diff.t) ->
from:'a Diff.derived_on ->
to_:'a Diff.derived_on ->
('a, 'a_diff) Diff.t Diffable.Optional_diff.tval apply_exn :
('a -> 'a_diff -> 'a) ->
'a Diff.derived_on ->
('a, 'a_diff) Diff.t ->
'a Diff.derived_onval of_list_exn :
('a_diff list -> 'a_diff Diffable.Optional_diff.t) ->
('a -> 'a_diff -> 'a) ->
('a, 'a_diff) Diff.t list ->
('a, 'a_diff) Diff.t Diffable.Optional_diff.t