Yaz0 is Nintendo's version of Haruhiko Okumura's in/famous 1989 LZSS implementation. It's been continually used in first party titles, wrapping various other formats, since the N64 era.
2024 note: you might want to look into szs, by riidefi, which has much higher performance and a wide selection of compression methods, including emulations of compression methods used for specific games. It's not pure Rust, but it's unlikely that matters in any application you're using a SZS decompressor in.
To install yaztool, a de/flating utility for yaz0 files, do
$ cargo install yaz0 --features=yaztool
All code in this repository is licensed under the MIT license; see LICENSE.