Add dyn for SizeHint cast

rust-lang · Xavientois · Jan 15, 2021 · Jan 15, 2021 · Jan 15, 2021 · Jan 15, 2021
commit af4be91920fb50226e18fb4f605514ecc76cb2f7
diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs
@@ -2472,7 +2472,7 @@ impl<R: Read> Iterator for Bytes<R> {
     }
 
     default fn size_hint(&self) -> (usize, Option<usize>) {
-        (&self.inner as &SizeHint).size_hint()
+        (&self.inner as &dyn SizeHint).size_hint()
     }
 }
-Original file line number
+Diff line change
@@ Expand Up / @@ -2472,7 +2472,7 @@ impl<R: Read> Iterator for Bytes<R> { @@
         }
         default fn size_hint(&self) -> (usize, Option<usize>) {
-            (&self.inner as &SizeHint).size_hint()
+            (&self.inner as &dyn SizeHint).size_hint()
         }
     }
@@ Expand Down @@