forEachSorted method
Visits every entry in ascending key order.
Implementation
void forEachSorted(
void Function(Uint8List key, int chunk, int offset, int length) visit,
) {
var index = _heads[0];
while (index >= 0) {
visit(
keyAt(index),
_valueChunks[index],
_valueOffsets[index],
_valueLengths[index],
);
index = _levels[0][index];
}
}