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.
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.
11 //! An efficient hash map for node IDs
13 #![allow(non_snake_case)]
15 use middle::def_id::DefId;
18 pub use rustc_data_structures::fnv::FnvHashMap;
19 pub use rustc_data_structures::fnv::FnvHashSet;
21 pub type NodeMap<T> = FnvHashMap<ast::NodeId, T>;
22 pub type DefIdMap<T> = FnvHashMap<DefId, T>;
24 pub type NodeSet = FnvHashSet<ast::NodeId>;
25 pub type DefIdSet = FnvHashSet<DefId>;
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() }