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authorJosh Stone <jistone@redhat.com>2019-02-13 14:07:08 -0800
committerJosh Stone <jistone@redhat.com>2019-02-13 14:07:08 -0800
commit33d80bfaa0f2a4ca996a942e6d65a932e72fec1b (patch)
treebdbd444d45849d80840347a43d226d95c081e296
parent70c5af85e09be583128df5eda6b4de25a23387c1 (diff)
downloadrust-33d80bfaa0f2a4ca996a942e6d65a932e72fec1b.tar.gz
rust-33d80bfaa0f2a4ca996a942e6d65a932e72fec1b.zip
Return without a reference in unix Weak::get()
-rw-r--r--src/libstd/sys/unix/weak.rs9
1 files changed, 4 insertions, 5 deletions
diff --git a/src/libstd/sys/unix/weak.rs b/src/libstd/sys/unix/weak.rs
index 9b80ad8d9b2..b60e241f10c 100644
--- a/src/libstd/sys/unix/weak.rs
+++ b/src/libstd/sys/unix/weak.rs
@@ -45,16 +45,15 @@ impl<F> Weak<F> {
         }
     }
 
-    pub fn get(&self) -> Option<&F> {
+    pub fn get(&self) -> Option<F> {
         assert_eq!(mem::size_of::<F>(), mem::size_of::<usize>());
         unsafe {
             if self.addr.load(Ordering::SeqCst) == 1 {
                 self.addr.store(fetch(self.name), Ordering::SeqCst);
             }
-            if self.addr.load(Ordering::SeqCst) == 0 {
-                None
-            } else {
-                mem::transmute::<&AtomicUsize, Option<&F>>(&self.addr)
+            match self.addr.load(Ordering::SeqCst) {
+                0 => None,
+                addr => Some(mem::transmute_copy::<usize, F>(&addr)),
             }
         }
     }