Pinq\Tests\Integration\Traversable\IterationTest::testThatInterationPassesReferences PHP Метод

    public function testThatInterationPassesReferences(\Pinq\ITraversable $traversable)
    {
        $data = $this->makeRefs(range('A', 'Z'));
        $traversable->append($data)->iterate(function (&$i) {
            $i = null;
        });
        $this->assertSame(array_fill_keys(range(0, 25), null), $data);
    }