module PrVar:sig
..end
include LUVar.S
val do_on_lower : ?nothing:(unit -> unit) ->
?exact:(unit -> unit) ->
?inexact:(unit -> unit) -> ?nv:(NoValue.nv -> unit) -> t -> unit
val do_on_upper : ?nothing:(unit -> unit) ->
?exact:(unit -> unit) ->
?inexact:(unit -> unit) -> ?nv:(NoValue.nv -> unit) -> t -> unit