]> git.proxmox.com Git - rustc.git/blob - src/librustc/util/nodemap.rs
Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / librustc / util / nodemap.rs
1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
4 //
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
10
11 //! An efficient hash map for node IDs
12
13 #![allow(non_snake_case)]
14
15 use hir::def_id::DefId;
16 use syntax::ast;
17
18 pub use rustc_data_structures::fnv::FnvHashMap;
19 pub use rustc_data_structures::fnv::FnvHashSet;
20
21 pub type NodeMap<T> = FnvHashMap<ast::NodeId, T>;
22 pub type DefIdMap<T> = FnvHashMap<DefId, T>;
23
24 pub type NodeSet = FnvHashSet<ast::NodeId>;
25 pub type DefIdSet = FnvHashSet<DefId>;
26
27 pub fn NodeMap<T>() -> NodeMap<T> { FnvHashMap() }
28 pub fn DefIdMap<T>() -> DefIdMap<T> { FnvHashMap() }
29 pub fn NodeSet() -> NodeSet { FnvHashSet() }
30 pub fn DefIdSet() -> DefIdSet { FnvHashSet() }
31