Document usage of unsafe block

rust-lang · Dec 2, 2019 · a30ee8e · a30ee8e
1 parent 4ca769a
commit a30ee8e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/libcore/cmp.rs b/src/libcore/cmp.rs
@@ -1134,6 +1134,7 @@ mod impls {
                 -1 => Less,
                 0 => Equal,
                 1 => Greater,
+                // SAFETY: Unreachable code
                 _ => unsafe { unreachable_unchecked() },
             }
         }