Module Ui_incr.Update
type 'a t= 'a Incremental.Update.t=|Necessary of 'a|Changed of 'a * 'a|Invalidated|Unnecessary
val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> intval sexp_of_t : ('a -> Ppx_sexp_conv_lib.Sexp.t) -> 'a t -> Ppx_sexp_conv_lib.Sexp.t