module type RefOps =sig
..end
x -= y
is
the same as x := !x - y
.type
bat__refops_t
val (+=) : bat__refops_t Pervasives.ref ->
bat__refops_t -> unit
val (-=) : bat__refops_t Pervasives.ref ->
bat__refops_t -> unit
val ( *= ) : bat__refops_t Pervasives.ref ->
bat__refops_t -> unit
val (/=) : bat__refops_t Pervasives.ref ->
bat__refops_t -> unit