/**
* @param \ArrayIterator $map
*/
public function __construct(\ArrayIterator $map)
{
$this->map = $map;
parent::__construct($this->map, function ($element) use($map) {
return array($map->key(), $element);
});
}
public function __construct(\Iterator $iterator, $mapper)
{
Contracts::ensureCallable($mapper);
$this->flattingIterator = $iterator;
$this->mapper = $mapper;
parent::__construct($this->prepareCurrentIterator()->orElse(new \ArrayIterator(array())), function ($element) {
return $element;
});
}
public function __construct(\SplObjectStorage $map)
{
$this->map = $map;
$keyFinder = function ($key) {
return $key instanceof NotObjectKey ? $key->key : $key;
};
parent::__construct($this->map, function ($key) use($keyFinder, $map) {
return array($keyFinder($key), $map[$key]);
});
}
public function __construct(Pairs $pairs, $part)
{
if (!in_array($part, array(static::PART_KEY, static::PART_ELEMENT))) {
throw new \InvalidArgumentException('Unknown part.');
}
$this->pairs = $pairs;
parent::__construct($this->pairs, function ($pair) use($part) {
return $pair[$part];
});
}