| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| integer, | public | :: | leaf | = | 0 |
Current leaf page id (0 = exhausted) |
|
| integer, | public | :: | slot | = | 0 |
0-based index of the next entry to yield |
|
| logical, | public | :: | valid | = | .false. |
|