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<?php
/** \brief seekable iterator
*
* Turns a normal iterator ino a seekable iterator. When there is a way
* to seek on an iterator LimitIterator can use this to efficiently rewind
* to offset.
*/
interface SeekableIterator implements Iterator
{
/** Seek to an absolute position
*
* \param $index position to seek to
* \return void
*
* \note The method should throw an exception if it is not possible to
* seek to the given position.
*/
function seek($index);
/* $this->rewind();
$position = 0;
while($position < $index && $this->hasMore()) {
$this->next();
$position++;
}
}*/
}
?>
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