Computer scientists do it with objects. Computer scientists do it on heaps. Computer scientists do it with a protocol. Computer scientists do it automatically. Computer scientists do it dynamically.
Computer scientists do it by pointing.
Computer scientists do it in arrays. Computer scientists do it with whatever you pass them. Constructivists Constructivists do it without excluding the middle. Cosmologists Cosmologists do it in the first three minutes. Cosmologists do it with large inflationary periods.