module Array:sig..end
val get : ('a, 'b) Invariant.t array ->
(int, 'c) Invariant.t -> 'a Invariant.unsetable_tget a i returns the BIR element number i of array a.val argmin : ('a, 'b) Invariant.t array -> ('a -> 'c) -> int Invariant.unsetable_targmin a c returns the BIR index of the minimum BIR value of a for
criterion c.val min : ('a, 'b) Invariant.t array -> ('a -> 'c) -> 'a Invariant.unsetable_tmin a c returns the minimum BIR value of a for criterion c.