/**
* This method tests the "filter" method.
*
* @dataProvider data_filter
*/
public function test_filter(array $provided, array $expected)
{
$p0 = ILinkedList\Type::make($provided[0], '\\Saber\\Data\\IInt32\\Type');
$p1 = $provided[1];
$r0 = ILinkedList\Module::filter($p0, $p1);
$e0 = $expected[0];
$this->assertInstanceOf('\\Saber\\Data\\ILinkedList\\Type', $r0);
$this->assertSame($e0, $r0->unbox(1));
}
/**
* This method (aka "remove") returns a linked list containing those items that do not
* satisfy the predicate. Opposite of "filter".
*
* @access public
* @static
* @param ILinkedList\Type $xs the linked list
* @param callable $predicate the predicate function to be used
* @return ILinkedList\Type a linked list containing those items
* that do not satisfy the predicate
*/
public static function reject(ILinkedList\Type $xs, callable $predicate) : ILinkedList\Type
{
return ILinkedList\Module::filter($xs, function (Core\Type $x, IInt32\Type $i) use($predicate) : IBool\Type {
return IBool\Module::not($predicate($x, $i));
});
}