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Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / librustc / util / nodemap.rs
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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
54a0048b 15use hir::def_id::DefId;
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16use syntax::ast;
17
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18pub use rustc_data_structures::fnv::FnvHashMap;
19pub use rustc_data_structures::fnv::FnvHashSet;
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20
21pub type NodeMap<T> = FnvHashMap<ast::NodeId, T>;
e9174d1e 22pub type DefIdMap<T> = FnvHashMap<DefId, T>;
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23
24pub type NodeSet = FnvHashSet<ast::NodeId>;
e9174d1e 25pub type DefIdSet = FnvHashSet<DefId>;
1a4d82fc 26
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27pub fn NodeMap<T>() -> NodeMap<T> { FnvHashMap() }
28pub fn DefIdMap<T>() -> DefIdMap<T> { FnvHashMap() }
29pub fn NodeSet() -> NodeSet { FnvHashSet() }
30pub fn DefIdSet() -> DefIdSet { FnvHashSet() }
31