Expert.Dependency
type 'a t = ( 'a, state_witness ) Incremental.Expert.Dependency.t
val sexp_of_t : ( 'a -> Ppx_sexp_conv_lib.Sexp.t ) -> 'a t -> Ppx_sexp_conv_lib.Sexp.t
val create : ?on_change:( 'a -> unit ) -> 'a t -> 'a t
val value : 'a t -> 'a