Crate sled [−] [src]
sled
is a flash-sympathetic persistent lock-free B+ tree.
Examples
let config = sled::ConfigBuilder::new().temporary(true).build(); let t = sled::Tree::start(config).unwrap(); t.set(b"yo!".to_vec(), b"v1".to_vec()); assert_eq!(t.get(b"yo!"), Ok(Some(b"v1".to_vec()))); t.cas( b"yo!".to_vec(), // key Some(b"v1".to_vec()), // old value, None for not present Some(b"v2".to_vec()), // new value, None for delete ).unwrap(); let mut iter = t.scan(b"a non-present key before yo!"); assert_eq!(iter.next(), Some(Ok((b"yo!".to_vec(), b"v2".to_vec())))); assert_eq!(iter.next(), None); t.del(b"yo!"); assert_eq!(t.get(b"yo!"), Ok(None));
Structs
Config |
A finalized |
ConfigBuilder |
Top-level configuration for the system. |
Iter |
An iterator over keys and values in a |
Tree |
A flash-sympathetic persistent lock-free B+ tree |
Enums
Error |
An Error type encapsulating various issues that may come up in both the expected and unexpected operation of a PageCache. |
Type Definitions
DbResult |
The top-level result type for dealing with the PageCache. |