1272     pub unsafe fn set_len(&mut self, new_len: usize) {  in set_len()  method
1322             self.set_len(len - 1);  in swap_remove()
1374             self.set_len(len + 1);  in insert()
1428             self.set_len(len - 1);  in remove()
1491         unsafe { self.set_len(0) };  in retain_mut()
1525                     self.v.set_len(self.original_len - self.deleted_cnt);  in retain_mut()
1670                     self.vec.set_len(len - dropped);  in dedup_by()
1710             gap.vec.set_len(gap.write);  in dedup_by()
1816             other.set_len(0);  in append()
1881             self.set_len(start);  in drain()
2005             self.set_len(at);  in split_off()
2006             other.set_len(other_len);  in split_off()
2745                 self.set_len(len + 1);  in extend_desugared()
2847             self.set_len(0);  in drain_filter()
3130         unsafe { vec.set_len(0) };