1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
//! `sled` is a flash-sympathetic persistent lock-free B+ tree.
//!
//! # Examples
//!
//! ```
//! let t = sled::Tree::start_default("my_db").unwrap();
//!
//! t.set(b"yo!".to_vec(), b"v1".to_vec());
//! assert!(t.get(b"yo!").unwrap().unwrap() == &*b"v1".to_vec());
//!
//! t.cas(
//!     b"yo!".to_vec(),       // key
//!     Some(b"v1"),           // 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));
//! ```

#![deny(missing_docs)]
#![cfg_attr(test, deny(warnings))]
#![cfg_attr(test, deny(bad_style))]
#![cfg_attr(test, deny(future_incompatible))]
#![cfg_attr(test, deny(nonstandard_style))]
#![cfg_attr(test, deny(rust_2018_compatibility))]
#![cfg_attr(test, deny(rust_2018_idioms))]
#![cfg_attr(feature = "clippy", feature(plugin))]
#![cfg_attr(feature = "clippy", plugin(clippy))]
#![cfg_attr(feature = "clippy", allow(inline_always))]

extern crate pagecache;
#[macro_use]
extern crate serde_derive;
#[macro_use]
extern crate log as _log;

mod binary_search_least_upper_bound;
mod bound;
mod data;
mod frag;
mod iter;
mod materializer;
mod node;
mod pinned_value;
mod prefix;
mod tree;

pub use self::iter::Iter;
pub use self::pinned_value::PinnedValue;
/// atomic lock-free tree
pub use self::tree::Tree;

use pagecache::*;

pub use pagecache::{Config, ConfigBuilder, Error, Result};

use self::binary_search_least_upper_bound::binary_search_lub;
use self::bound::Bound;
use self::data::Data;
use self::frag::{ChildSplit, ParentSplit};
use self::node::Node;
use self::prefix::{
    prefix_cmp, prefix_cmp_encoded, prefix_decode, prefix_encode,
};

pub(crate) use self::frag::Frag;
pub(crate) use self::materializer::BLinkMaterializer;

type Key = Vec<u8>;
type KeyRef<'a> = &'a [u8];
type Value = Vec<u8>;

type TreePtr<'g> = pagecache::PagePtr<'g, Frag>;