[ANN]Concurrent Cell Version 2.0.0

[Satoshi Ogasawara <ogasawara@itpl.co.jp>]

Dear list,
I'm please to announce a new release of Concurrent Cell version 2.0.0 which
supports new variable 'Dvar'. This variable is a kind of Mvar that can hold
dependency between variables, and resolve thease dependency automatically
when the value of the variable is changed. This system is similar to Functional 
Reactive Programming style.

the main signatures are:

type 'a t
type 'a eq = 'a -> 'a -> bool
val make : ?name:string -> ?eq:'a eq -> ?event:'a Mbox.t -> 'a -> 'a t
val depend : ?name:string -> ?eq:'b eq -> 'a t -> ('a -> 'b) -> 'b t
val read : 'a t -> 'a Event.event
val set : 'a t -> ('a option -> 'a) -> unit Event.event
val filter : ?name:string -> ?eq:'b eq -> 'a t -> ('a -> 'b option) -> 'b t
val connect : 'a t -> ('a -> 'b -> 'b) -> 'b t -> unit
val disconnect : src:'a t -> dst:'b t -> unit
val depend2 : ?name:string -> ?eq:'c eq -> 'a t -> 'b t -> ('a -> 'b -> 'c) -> 'c t

Best regards,
 ogasawara