diff --git a/src/protocol/parser/tokens.rs b/src/protocol/parser/tokens.rs
index 57c8c5d8f2a1a1ebf42033a780eb73cb5bad06d4..a3bbf37c46dbda95f6bbe3c037c16368639b61e3 100644
--- a/src/protocol/parser/tokens.rs
+++ b/src/protocol/parser/tokens.rs
@@ -329,4 +329,15 @@ impl<'a> TokenIter<'a> {
             }
         }
     }
+
+    /// Saves the current iteration position, may be passed to `load` to return
+    /// the iterator to a previous position.
+    pub(crate) fn save(&self) -> (usize, usize) {
+        (self.cur, self.end)
+    }
+
+    pub(crate) fn load(&mut self, saved: (usize, usize)) {
+        self.cur = saved.0;
+        self.end = saved.1;
+    }
 }
\ No newline at end of file