message: Introduce `state` method to `TextInput`
diff: @@ -163,6 +163,13 @@ impl<'a, Message, Renderer: self::Renderer> TextInput<'a, Message, Renderer> {
  self.style = style.into();
  self
  }
  +
  + /// Returns the current [`State`] of the [`TextInput`].
  + ///
  + /// [`TextInput`]: struct.TextInput.html
  + pub fn state(&self) -> &State {
  + self.state
  + }
  }
  impl<'a, Message, Renderer> Widget<Message, Renderer>
  