clean up error codes explanation

[rust.git] / src / librustc_errors / registry.rs

diff --git a/src/librustc_errors/registry.rs b/src/librustc_errors/registry.rs
index 83737681471e2f6fd9e1db306940e9aee0f9ce60..771542cb06fa6808ea450bbe803947638f0c06dc 100644 (file)
--- a/src/librustc_errors/registry.rs
+++ b/src/librustc_errors/registry.rs
@@ -1,18 +1,8 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-use std::collections::HashMap;
+use rustc_data_structures::fx::FxHashMap;
 
 #[derive(Clone)]
 pub struct Registry {
-    descriptions: HashMap<&'static str, &'static str>,
+    descriptions: FxHashMap<&'static str, &'static str>,
 }
 
 impl Registry {