| 19 | |
| 20 | |
| 21 | |
| 22 | The following example uses the class-tree below. |
| 23 | |
| 24 | {{{ |
| 25 | #!cpp |
| 26 | new A1(); |
| 27 | new A1(); |
| 28 | new A1(); |
| 29 | |
| 30 | new A3(); |
| 31 | new A3B1(); |
| 32 | new A3B1C1(); |
| 33 | |
| 34 | int count = 0; |
| 35 | for (ObjectListIterator<BaseObject> it = ObjectList<BaseObject>::begin(); |
| 36 | it != ObjectList<BaseObject>::end(); ++it) |
| 37 | { |
| 38 | count++; |
| 39 | } |
| 40 | std::cout << "BaseObject: " << count << std::endl; |
| 41 | |
| 42 | count = 0; |
| 43 | for (ObjectListIterator<A1> it = ObjectList<A1>::begin(); |
| 44 | it != ObjectList<A1>::end(); ++it) |
| 45 | { |
| 46 | count++; |
| 47 | } |
| 48 | std::cout << "A1: " << count << std::endl; |
| 49 | |
| 50 | count = 0; |
| 51 | for (ObjectListIterator<A3B1> it = ObjectList<A3B1>::begin(); |
| 52 | it != ObjectList<A3B1>::end(); ++it) |
| 53 | { |
| 54 | count++; |
| 55 | } |
| 56 | std::cout << "A3B1: " << count << std::endl; |
| 57 | |
| 58 | /* |
| 59 | return: |
| 60 | BaseObject: 6 |
| 61 | A1: 3 |
| 62 | A3B1: 2 |
| 63 | */ |
| 64 | }}} |
| 65 | |
| 66 | [[Image(Core:testclass_tree.gif)]] |