sig
val self : Project.Computation.t
val select :
Kind.how ->
Project.Computation.selection -> Project.Computation.selection
val depend : Project.Computation.t -> unit
val name : string
val mark_as_computed : ?project:Project.project -> unit -> unit
val is_computed : ?project:Project.project -> unit -> bool
val do_not_save : unit -> unit
module Datatype : Project.Datatype.S
val howto_marshal : (Datatype.t -> 'a) -> ('a -> Datatype.t) -> unit
type data = int
val set : data -> unit
val get : unit -> data
val clear : unit -> unit
end