OCaml compiler library : Diffing.Define

`(D : Defs) ->
sig
type nonrec change = (D.left, D.right, D.eq, D.diff) Diffing.change
type patch = Diffing.Define.change list
module type Parameters =
sig
type update_result
val weight : Diffing.Define.change -> int
val test :
D.state -> D.left -> D.right -> (D.eq, D.diff) Stdlib.result
val update :
Diffing.Define.change ->
D.state -> Diffing.Define.Parameters.update_result
end
module type S =
sig
val diff :
D.state -> D.left array -> D.right array -> Diffing.Define.patch
end
module Simple :
sig
val weight : change -> int
val test : D.state -> D.left -> D.right -> (D.eq, D.diff) result
val update : change -> D.state -> D.state
end -> S
module Left_variadic :
sig
val weight : change -> int
val test : D.state -> D.left -> D.right -> (D.eq, D.diff) result
val update : change -> D.state -> D.state * D.left array
end -> S
module Right_variadic :
sig
val weight : change -> int
val test : D.state -> D.left -> D.right -> (D.eq, D.diff) result
val update : change -> D.state -> D.state * D.right array
end -> S
end`