As a special exception to the GNU Lesser General Public License version 3
("LGPL3"), the copyright holders of this Library give you permission to
convey to a third party a Combined Work that links statically or dynamically
to this Library without providing any Minimal Corresponding Source or
Minimal Application Code as set out in 4d or providing the installation

pkg container/list, type List struct
pkg container/ring, func New(int) *Ring
pkg container/ring, method (*Ring) Do(func(interface{}))
pkg container/ring, method (*Ring) Len() int
pkg container/ring, method (*Ring) Link(*Ring) *Ring
pkg container/ring, method (*Ring) Move(int) *Ring
pkg container/ring, method (*Ring) Next() *Ring
pkg container/ring, method (*Ring) Prev() *Ring
pkg container/ring, method (*Ring) Unlink(int) *Ring