/**
* This method tests the "box" method.
*
* @dataProvider data_box
*/
public function test_box(array $provided, array $expected)
{
$p0 = ILinkedList\Type::box(array_map(function ($item) {
return IObject\Type::box($item);
}, $provided[0]));
$e0 = $expected[0];
$this->assertInstanceOf('\\Saber\\Data\\ILinkedList\\Type', $p0);
$this->assertSame($e0, $p0->unbox(1));
}
/**
* This method returns a value as a boxed object. A value is typically a PHP typed
* primitive or object. It is considered "not" type-safe.
*
* @access public
* @static
* @param mixed ...$xs the value(s) to be boxed
* @return ILinkedList\Type the boxed object
*/
public static function box2(...$xs) : ILinkedList\Type
{
return ILinkedList\Type::box($xs);
}
/**
* This method returns a tuple of two (or more) linked lists after splitting a linked list of
* tuple groupings.
*
* @access public
* @static
* @param ILinkedList\Type $xss a linked list of tuple groupings
* @return ITuple\Type a tuple of two (or more) linked lists
*/
public static function unzip(ILinkedList\Type $xss) : ITuple\Type
{
$as = array();
$bs = array();
$xsi = ILinkedList\Module::iterator($xss);
foreach ($xsi as $i => $xs) {
$as[] = $xs->first();
$bs[] = $xs->second();
}
return ITuple\Type::box2(ILinkedList\Type::box($as), ILinkedList\Type::box($bs));
}
