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