This is the attempt to implement the Cache Sensitive Skiplist from Stefan Sprenger in Rust.
S. Sprenger, S. Zeuch, U. Leser: "Cache-Sensitive Skip List: Efficient Range Queries on modern CPUs", ADMS/IMDM@VLDB, 2016 https://www2.informatik.hu-berlin.de/~sprengsz/papers/cssl.pdf