Do you absolutely need to be able to represent the colors of Magic the Gathering cards (or other game objects) in a single byte? Are ergonmics irrelevant and storage space non-negotiable?
Features: no-std compatible only 14 bytes shared bytes needed for all canonical symbol information (compared to 80 bytes for a naieve implementation) already at a stable 1.0.0 release zero dependencies there aren't any others but extra lines for feature always look good