Add a SAFETY comment.

tokio-rs · Apr 14, 2024 · 9e7d8ef · 9e7d8ef
1 parent 80b38e0
commit 9e7d8ef
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/bytes_mut.rs b/src/bytes_mut.rs
@@ -424,6 +424,7 @@ impl BytesMut {
     pub fn truncate(&mut self, len: usize) {
         if len < self.len() {
             unsafe {
+                // SAFETY: Shrinking the buffer cannot expose uninitialized bytes.
                 self.set_len(len);
             }
         }