sled-0.16.4 doesn't have any documentation.
sled
is a flash-sympathetic persistent lock-free B+ tree.
Examples
let t = start_default.unwrap;
t.set;
assert!;
t.cas.unwrap;
let mut iter = t.scan;
// assert_eq!(iter.next(), Some(Ok((b"yo!".to_vec(), b"v2".to_vec()))));
// assert_eq!(iter.next(), None);
t.del;
assert_eq!;