message: fixup! Add assert to Row::grow
  Resolves
diff: @@ -33,7 +33,7 @@ impl<T: Copy + Clone> Row<T> {
  assert!(self.len() < * cols);
  while self.len() != *cols {
  - self.inner.push(*template);
  + self.0.push(*template);
  }
  }
  