Let’s Talk About Sets – a.k.

a.k. from thus spake a.k.

In the last couple of posts we have seen various ways to partially or fully sort data and the kinds of queries that we can run against them once they have been. Such query operations make fully sorted arrays a convenient way to represent sets, or more accurately multisets which treat repeated elements as distinct from each other, and in this post we shall exploit this fact to implement some operations that we might wish to perform upon them.