Doing a little bit of digging into the Gauche manual would have led you to a listing of the various utility libraries that it offers: http://practical-scheme.ne

Doing a little bit of digging into the Gauche manual would have led you to a listing of the various utility libraries that it offers: http://practical-scheme.net/gauche/man/gauche-refe/Library-modules-_002d-Utilities.html http://practical-scheme.net/gauche/man/gauche-refe/Library-m... As you can see it is pretty extensive, and could likely handle most of the needs you mentioned in your comment. I would call this pretty “practical”.