public function getIterator()
{
$set = new Set();
foreach ($this->iterator as $value) {
if ($set->add($value)) {
(yield $value);
}
}
}
public function getIterator()
{
$set = new Set();
foreach ($this->second as $second) {
$set->add($second);
}
foreach ($this->first as $first) {
if (!$set->contains($first)) {
(yield $first);
}
}
}
/**
* @test
*/
public function add_remove_mixValues_CorrectBehaviour()
{
$set = new Set();
$a = null;
$b = "string";
$c = new stdClass();
$d = ["a", "b", "c"];
$this->assertTrue($set->add($a));
$this->assertTrue($set->add($b));
$this->assertTrue($set->add($c));
$this->assertTrue($set->add($d));
$this->assertTrue($set->contains($a));
$this->assertTrue($set->contains($b));
$this->assertTrue($set->contains($c));
$this->assertTrue($set->contains($d));
$this->assertFalse($set->add($a));
$this->assertFalse($set->add($b));
$this->assertFalse($set->add($c));
$this->assertFalse($set->add($d));
$this->assertTrue($set->remove($a));
$this->assertTrue($set->remove($b));
$this->assertTrue($set->remove($c));
$this->assertTrue($set->remove($d));
$this->assertFalse($set->contains($a));
$this->assertFalse($set->contains($b));
$this->assertFalse($set->contains($c));
$this->assertFalse($set->contains($d));
$this->assertFalse($set->remove($a));
$this->assertFalse($set->remove($b));
$this->assertFalse($set->remove($c));
$this->assertFalse($set->remove($d));
}