503     pub fn iter<'a>(&'a self) -> impl Iterator<Item = &Point> + 'a {

   503     pub fn iter<'a>(&'a self) -> impl Iterator<Item = &Point> + 'a {

   504         (&self.vertices[..self.edges_count()]).iter()

   504         (&self.vertices[..self.edges_count()]).iter()

   505     }

   505     }

   506 

   506 

   507     pub fn iter_mut<'a>(&'a mut self) -> impl Iterator<Item = &mut Point> + 'a {

   507     pub fn iter_mut<'a>(&'a mut self) -> impl Iterator<Item = &mut Point> + 'a {

   509         let start = self.vertices.as_mut_ptr();

   508         let start = self.vertices.as_mut_ptr();

   510         let end = unsafe { start.add(self.vertices.len()) };

   509         let end = unsafe { start.add(self.vertices.len()) };

   511         PolygonPointsIteratorMut {

   510         PolygonPointsIteratorMut {

   512             source: self,

   511             source: self,

   513             start,

   512             start,