/**
* @link http://php.net/manual/en/iterator.current.php
* @return mixed
*/
function current()
{
/**
* @var Pair $pair
*/
$pair = parent::current();
return $pair->second;
}
function __construct(\Iterator $iterator, $n)
{
parent::__construct($iterator);
$this->n = $n;
}
function __construct(InOrderIterator $iterator, $size)
{
parent::__construct($iterator);
$this->size = $size;
$this->rewind();
}
/**
* Calling `next` when iterator is not in a valid state is harmless.
*
* @link http://php.net/manual/en/iterator.next.php
* @return void
*/
function next()
{
parent::next();
$this->i++;
}
/**
* @link http://php.net/manual/en/iterator.valid.php
* @return boolean
*/
function valid()
{
return $this->used < $this->n && parent::valid();
}
function __construct(\Iterator $iterator, callable $map)
{
parent::__construct($iterator);
$this->mapper = $map;
}
function __construct(\Iterator $iterator, callable $filter)
{
parent::__construct($iterator);
$this->filter = $filter;
}
function testKeysMap()
{
$array = ['one' => 1, 'two' => 2, 'three' => 3];
$iterator = new IteratorCollectionAdapter(new ArrayIterator($array));
$this->assertEquals(['one', 'two', 'three'], $iterator->keys()->toArray());
}
function __construct(\Iterator $iterator, $start, $count)
{
parent::__construct($iterator);
$this->start = $start;
$this->count = $count;
}
/**
* @return \ArrayIterator
*/
function getInnerIterator()
{
return parent::getInnerIterator();
}
function __construct(BinaryTreeIterator $iterator, $size)
{
parent::__construct(new ValueIterator($iterator));
$this->size = $size;
$this->rewind();
}
function __construct(array $set)
{
parent::__construct(new ValueIterator(new \ArrayIterator($set)));
$this->size = count($set);
$this->rewind();
}