module Abstract1:sig
..end
val is_box : 'a Apron.Abstract1.t -> bool
Return true
iff the argument value is a box value
val of_box : Box.t Apron.Abstract1.t -> 'a Apron.Abstract1.t
Make a box value generic
val to_box : 'a Apron.Abstract1.t -> Box.t Apron.Abstract1.t
Instanciate the type of a box value.
Raises Failure
if the argument value is not a box value