style: Remove unnecessary mem::transmute in MediaListKey.

Differential Revision: https://phabricator.services.mozilla.com/D16147
servo · Jan 13, 2019 · 7efbd9c · 7efbd9c
1 parent c04a414
commit 7efbd9c
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/components/style/invalidation/media_queries.rs b/components/style/invalidation/media_queries.rs
@@ -38,10 +38,8 @@ impl MediaListKey {
 pub trait ToMediaListKey: Sized {
     /// Get a `MediaListKey` for this item. This key needs to uniquely identify
     /// the item.
-    #[allow(unsafe_code)]
     fn to_media_list_key(&self) -> MediaListKey {
-        use std::mem;
-        MediaListKey(unsafe { mem::transmute(self as *const Self) })
+        MediaListKey(self as *const Self as usize)
     }
 }