message: Introduce `vertical` and `horizontal` methods to `Padding`
diff: @@ -29,6 +29,16 @@ impl Padding {
  left: padding,
  }
  }
  +
  + /// Returns the total amount of vertical [`Padding`].
  + pub fn vertical(self) -> u16 {
  + self.top + self.bottom
  + }
  +
  + /// Returns the total amount of horizontal [`Padding`].
  + pub fn horizontal(self) -> u16 {
  + self.left + self.right
  + }
  }
  impl std::convert::From<u16> for Padding {
  