message: inline get_pixel and get_pixel_mut
diff: @@ -715,6 +715,7 @@ where
  /// # Panics
  ///
  /// Panics if `(x, y)` is out of the bounds `(width, height)`.
  + #[inline]
  pub fn get_pixel(&self, x: u32, y: u32) -> &P {
  match self.pixel_indices(x, y) {
  None => panic!(
  @@ -891,6 +892,7 @@ where
  /// # Panics
  ///
  /// Panics if `(x, y)` is out of the bounds `(width, height)`.
  + #[inline]
  pub fn get_pixel_mut(&mut self, x: u32, y: u32) -> &mut P {
  match self.pixel_indices(x, y) {
  None => panic!(
  