Document usage of unsafe block

2019-12-02 08:45:35 -07:00 · 2019-12-02 08:45:35 -07:00 · a30ee8e763
commit a30ee8e763
parent 4ca769ad09
1 changed files with 1 additions and 0 deletions
--- 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() },
            }
        }