From 339afbaf47b3b2d3e457e0000c9fa932548e37a1 Mon Sep 17 00:00:00 2001
From: mrBliss <dewinant@gmail.com>
Date: Thu, 26 Nov 2015 21:14:51 +0100
Subject: Highlight the unsafe keyword

---
 rust-mode.el | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/rust-mode.el b/rust-mode.el
index 5b50d29..5bdefe5 100644
--- a/rust-mode.el
+++ b/rust-mode.el
@@ -173,6 +173,11 @@
   :safe #'booleanp
   :group 'rust-mode)
 
+(defface rust-unsafe-face
+  '((t :inherit font-lock-warning-face))
+  "Face for the `unsafe' keyword."
+  :group 'rust-mode)
+
 (defun rust-paren-level () (nth 0 (syntax-ppss)))
 (defun rust-in-str-or-cmnt () (nth 8 (syntax-ppss)))
 (defun rust-rewind-past-str-cmnt () (goto-char (nth 8 (syntax-ppss))))
@@ -414,7 +419,7 @@
     "ref" "return"
     "self" "static" "struct" "super"
     "true" "trait" "type"
-    "unsafe" "use"
+    "use"
     "virtual"
     "where" "while"))
 
@@ -455,6 +460,9 @@
      ;; Special types
      (,(regexp-opt-symbols rust-special-types) . font-lock-type-face)
 
+     ;; The unsafe keyword
+     ("\\_<unsafe\\_>" . 'rust-unsafe-face)
+
      ;; Attributes like `#[bar(baz)]` or `#![bar(baz)]` or `#[bar = "baz"]`
      (,(rust-re-grab (concat "#\\!?\\[" rust-re-ident "[^]]*\\]"))
       1 font-lock-preprocessor-face keep)
-- 
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