forgot to add a clear

src/data.rs

@@ -137,6 +137,10 @@ impl<const MAX_LEN: usize, T: Sized> FixedVec<MAX_LEN, T> {
         unsafe { core::slice::from_raw_parts(self.buffer.as_ptr() as *const T, self.length) }
     }
 
+    pub fn clear(&mut self) {
+        self.length = 0;
+    }
+
 }
 
 impl<const MAX_LEN: usize, T: Debug> Debug for FixedVec<MAX_LEN, T> {