message: use Vec::get
diff: @@ -9,7 +9,7 @@ pub struct Row(pub Vec<Value>);
  impl Row {
  pub fn get_value(&self, index: usize) -> Option<&Value> {
  - self.0.iter().nth(index)
  + self.0.get(index)
  }
  pub fn take_first_value(self) -> Option<Value> {
  