1480     pub unsafe fn set_len(&mut self, new_len: usize) {  in set_len()  method
1530             self.set_len(len - 1);  in swap_remove()
1585             self.set_len(len + 1);  in insert()
1639             self.set_len(len - 1);  in remove()
1702         unsafe { self.set_len(0) };  in retain_mut()
1736                     self.v.set_len(self.original_len - self.deleted_cnt);  in retain_mut()
1881                     self.vec.set_len(len - dropped);  in dedup_by()
1921             gap.vec.set_len(gap.write);  in dedup_by()
2072             other.set_len(0);  in append()
2148             self.set_len(start);  in drain()
2270             self.set_len(at);  in split_off()
2271             other.set_len(other_len);  in split_off()
3067                 self.set_len(len + 1);  in extend_desugared()
3093                 self.set_len(len + 1);  in try_extend_desugared()
3260             self.set_len(0);  in drain_filter()
3553         unsafe { vec.set_len(0) };