| 1 | class virtual ['a] ograph : |
| 2 | object ('o) |
| 3 | method virtual empty : 'o |
| 4 | |
| 5 | method virtual add_node : 'a -> 'o |
| 6 | method virtual del_node : 'a -> 'o |
| 7 | |
| 8 | method virtual add_arc : 'a * 'a -> 'o |
| 9 | method virtual del_arc : 'a * 'a -> 'o |
| 10 | |
| 11 | |
| 12 | method virtual nodes : 'a Oset.oset |
| 13 | method virtual predecessors : 'a -> 'a Oset.oset |
| 14 | method virtual successors : 'a -> 'a Oset.oset |
| 15 | |
| 16 | method virtual ancestors : 'a Oset.oset -> 'a Oset.oset |
| 17 | method virtual brothers : 'a -> 'a Oset.oset |
| 18 | method virtual children : 'a Oset.oset -> 'a Oset.oset |
| 19 | |
| 20 | method mydebug : ('a * 'a list) list |
| 21 | end |