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 hir::def_id::DefId;
16 use hir::{HirId, ItemLocalId};
19 pub use rustc_data_structures::fx::FxHashMap;
20 pub use rustc_data_structures::fx::FxHashSet;
22 pub type NodeMap<T> = FxHashMap<ast::NodeId, T>;
23 pub type DefIdMap<T> = FxHashMap<DefId, T>;
24 pub type HirIdMap<T> = FxHashMap<HirId, T>;
25 pub type ItemLocalMap<T> = FxHashMap<ItemLocalId, T>;
27 pub type NodeSet = FxHashSet<ast::NodeId>;
28 pub type DefIdSet = FxHashSet<DefId>;
29 pub type HirIdSet = FxHashSet<HirId>;
30 pub type ItemLocalSet = FxHashSet<ItemLocalId>;
32 pub fn NodeMap<T>() -> NodeMap<T> { FxHashMap() }
33 pub fn DefIdMap<T>() -> DefIdMap<T> { FxHashMap() }
34 pub fn HirIdMap<T>() -> HirIdMap<T> { FxHashMap() }
35 pub fn ItemLocalMap<T>() -> ItemLocalMap<T> { FxHashMap() }
36 pub fn NodeSet() -> NodeSet { FxHashSet() }
37 pub fn DefIdSet() -> DefIdSet { FxHashSet() }
38 pub fn HirIdSet() -> HirIdSet { FxHashSet() }
39 pub fn ItemLocalSet() -> ItemLocalSet { FxHashSet() }