diff options
| -rw-r--r-- | src/libsyntax_pos/symbol.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsyntax_pos/symbol.rs b/src/libsyntax_pos/symbol.rs index 50fac600a97..b449c5eea66 100644 --- a/src/libsyntax_pos/symbol.rs +++ b/src/libsyntax_pos/symbol.rs @@ -15,8 +15,8 @@ use hygiene::SyntaxContext; use {Span, DUMMY_SP, GLOBALS}; +use rustc_data_structures::fx::FxHashMap; use serialize::{Decodable, Decoder, Encodable, Encoder}; -use std::collections::HashMap; use std::fmt; use std::hash::{Hash, Hasher}; @@ -184,7 +184,7 @@ impl<T: ::std::ops::Deref<Target=str>> PartialEq<T> for Symbol { #[derive(Default)] pub struct Interner { - names: HashMap<Box<str>, Symbol>, + names: FxHashMap<Box<str>, Symbol>, strings: Vec<Box<str>>, gensyms: Vec<Symbol>, } |