/**
* @param array|\Traversable $enumerable
* @param callable $equalityComparer
*
* @return \Cubiche\Core\Enumerable\EnumerableInterface
*/
public function union($enumerable, callable $equalityComparer = null)
{
$iterator = new \AppendIterator();
$iterator->append(Enumerable::from($this)->getIterator());
$iterator->append(Enumerable::from($enumerable)->getIterator());
return Enumerable::from($iterator)->distinct($equalityComparer);
}
public static function from($source)
{
return Enumerable::from($source);
}
/**
* @param array|\Traversable $enumerable
*/
public function __construct($enumerable)
{
$this->enumerable = Enumerable::from($enumerable);
}
/**
* @param int $offset
* @param int $length
*
* @return \Cubiche\Core\Enumerable\EnumerableInterface
*/
public function slice($offset, $length = null)
{
return new SlicedEnumerable(Enumerable::from($this), $offset, $length);
}
