MapValueCursorIsValid
MapValueCursorIsValid
Description
Check whether a cursor currently points to a value.
Parameters
| Name | Direction | Description |
|---|---|---|
cursor |
in | Cursor returned by MapFindFirstForKey or MapFindNextForKey. |
Usage example (Cross-references)
Usage examples (Cross-references)
- In
Map.Access.c:71:
cursor = MapFindFirstForKey(&map, 4);
while (MapValueCursorIsValid(cursor)) {
int *value_ptr = MapValuePtrFromCursor(&map, cursor);
if (!value_ptr) {- In
Map.Access.c:84:
bool result = (seen == 3) && (value_sum == (40 + 41 + 42));
result = result && !MapValueCursorIsValid(MapFindFirstForKey(&map, 99));
result = result && (MapValuePtrFromCursor(&map, MapValueCursorInvalid()) == NULL);
Last updated on