Make.Vartype 'a t = ( 'a, state_witness ) Incremental.Var.tval sexp_of_t :
( 'a -> Ppx_sexp_conv_lib.Sexp.t ) ->
'a t ->
Ppx_sexp_conv_lib.Sexp.tval create : ?use_current_scope:bool -> 'a -> 'a tval set : 'a t -> 'a -> unitval value : 'a t -> 'aval latest_value : 'a t -> 'aval replace : 'a t -> f:( 'a -> 'a ) -> unit