The intersection of two maps is a way to find the value in the intersection of two maps. In this case, the intersection of two maps is the value of a map.
It’s a relatively simple algorithm. The algorithm is a bit more complicated than a map because you have to take into account, and then you have to take into account, the way that items are ordered. This might seem like a small thing, but when you’re doing about a million intersection searches, it’s a significant thing.