sig
type t = Ast.node_cube
val variables : Node.t -> Variable.t list
val array : Node.t -> Types.ArrayAtom.t
val litterals : Node.t -> Types.SAtom.t
val dim : Node.t -> int
val size : Node.t -> int
val create :
?kind:Ast.kind -> ?from:Ast.trace_step option -> Cube.t -> Node.t
val compare_by_breadth : Node.t -> Node.t -> int
val compare_by_depth : Node.t -> Node.t -> int
val origin : Node.t -> Node.t
val has_deleted_ancestor : Node.t -> bool
val ancestor_of : Node.t -> Node.t -> bool
val subset : Node.t -> Node.t -> bool
val print : Format.formatter -> Node.t -> unit
val print_history : Format.formatter -> Node.t -> unit
end