| 126 | iter(); |
| 127 | |
| 128 | fn basic() { |
| 129 | let mut s = LStack::new(); |
| 130 | s.push(1); s.push(2); s.push(3); |
| 131 | |
| 132 | println!("empty: {:?}", s.is_empty()); |
| 133 | println!("top: {:?}, size: {}", s.peek(), s.len()); |
| 134 | println!("pop: {:?}, size: {}", s.pop(), s.len()); |
| 135 | |
| 136 | let peek_mut = s.peek_mut(); |
| 137 | if let Some(data) = peek_mut { |
| 138 | *data = 4 |
| 139 | } |
| 140 | println!("top {:?}, size {}", s.peek(), s.len()); |
| 141 | |
| 142 | println!("{:?}", s); |
| 143 | s.clear(); |
| 144 | println!("{:?}", s); |
| 145 | } |
| 146 | |
| 147 | fn iter() { |
| 148 | let mut s = LStack::new(); |