| 1 | macro_rules! succ ( | 
| 2 | (0, $submac:ident ! ($($rest:tt)*)) => ($submac!(1, $($rest)*)); | 
|---|
| 3 | (1, $submac:ident ! ($($rest:tt)*)) => ($submac!(2, $($rest)*)); | 
|---|
| 4 | (2, $submac:ident ! ($($rest:tt)*)) => ($submac!(3, $($rest)*)); | 
|---|
| 5 | (3, $submac:ident ! ($($rest:tt)*)) => ($submac!(4, $($rest)*)); | 
|---|
| 6 | (4, $submac:ident ! ($($rest:tt)*)) => ($submac!(5, $($rest)*)); | 
|---|
| 7 | (5, $submac:ident ! ($($rest:tt)*)) => ($submac!(6, $($rest)*)); | 
|---|
| 8 | (6, $submac:ident ! ($($rest:tt)*)) => ($submac!(7, $($rest)*)); | 
|---|
| 9 | (7, $submac:ident ! ($($rest:tt)*)) => ($submac!(8, $($rest)*)); | 
|---|
| 10 | (8, $submac:ident ! ($($rest:tt)*)) => ($submac!(9, $($rest)*)); | 
|---|
| 11 | (9, $submac:ident ! ($($rest:tt)*)) => ($submac!(10, $($rest)*)); | 
|---|
| 12 | (10, $submac:ident ! ($($rest:tt)*)) => ($submac!(11, $($rest)*)); | 
|---|
| 13 | (11, $submac:ident ! ($($rest:tt)*)) => ($submac!(12, $($rest)*)); | 
|---|
| 14 | (12, $submac:ident ! ($($rest:tt)*)) => ($submac!(13, $($rest)*)); | 
|---|
| 15 | (13, $submac:ident ! ($($rest:tt)*)) => ($submac!(14, $($rest)*)); | 
|---|
| 16 | (14, $submac:ident ! ($($rest:tt)*)) => ($submac!(15, $($rest)*)); | 
|---|
| 17 | (15, $submac:ident ! ($($rest:tt)*)) => ($submac!(16, $($rest)*)); | 
|---|
| 18 | (16, $submac:ident ! ($($rest:tt)*)) => ($submac!(17, $($rest)*)); | 
|---|
| 19 | (17, $submac:ident ! ($($rest:tt)*)) => ($submac!(18, $($rest)*)); | 
|---|
| 20 | (18, $submac:ident ! ($($rest:tt)*)) => ($submac!(19, $($rest)*)); | 
|---|
| 21 | (19, $submac:ident ! ($($rest:tt)*)) => ($submac!(20, $($rest)*)); | 
|---|
| 22 | (20, $submac:ident ! ($($rest:tt)*)) => ($submac!(21, $($rest)*)); | 
|---|
| 23 | ); | 
|---|
| 24 |  | 
|---|