/* A Generation is like a Tag, except that it's expected that a program will
* manufacture Generations repeatedly, and perhaps use them to determine
* whether an object is `up-to-date' in some sense.
*/
/* A Generation is like a Tag, except that it's expected that a program will
* manufacture Generations repeatedly, and perhaps use them to determine
* whether an object is `up-to-date' in some sense.
*/