I don't know how to explain it, and I'm pretty sure linked list wasn't the right word. Pretty much getting O(1) complexity for optimal speed. It may help if I tell you I'm writing a tutorial on Vanilla Structs, and want the very best speed to show people.
I am working on a bunch of site projects right now doing a bunch of behind the scenes stuff and trying to clean up some stuff that I let slide when I got lazy with the site for a few years...