621         let (_, len_ptr, _) = self.triple_mut();  in set_len()
622         *len_ptr = new_len;  in set_len()
688                 let &mut (ptr, ref mut len_ptr) = self.data.heap_mut();  in triple_mut()
689                 (ptr, len_ptr, self.capacity)  in triple_mut()
774             let (ptr, len_ptr, _) = self.triple_mut();  in pop()
775             if *len_ptr == 0 {  in pop()
778             let last_index = *len_ptr - 1;  in pop()
779             *len_ptr = last_index;  in pop()
933             let (ptr, len_ptr, _) = self.triple_mut();  in truncate()
934             while len < *len_ptr {  in truncate()
935                 let last_index = *len_ptr - 1;  in truncate()
936                 *len_ptr = last_index;  in truncate()
981             let (mut ptr, len_ptr, _) = self.triple_mut();  in remove()
982             let len = *len_ptr;  in remove()
984             *len_ptr = len - 1;  in remove()
999             let (mut ptr, len_ptr, _) = self.triple_mut();  in insert()
1000             let len = *len_ptr;  in insert()
1002             *len_ptr = len + 1;  in insert()
1429                 let (ptr, len_ptr, _) = v.triple_mut();  in from_elem()
1430                 let mut local_len = SetLenOnDrop::new(len_ptr);  in from_elem()
1660             let (ptr, len_ptr, cap) = self.triple_mut();  in extend()
1661             let mut len = SetLenOnDrop::new(len_ptr);  in extend()