iter\IterTest::testSearch PHP Метод

    public function testSearch()
    {
        $iter = new \ArrayIterator(['foo', 'bar', 'baz']);
        $this->assertSame('baz', search(fn\operator('===', 'baz'), $iter));
        $iter = new \ArrayIterator(['foo', 'bar', 'baz']);
        $this->assertSame(null, search(fn\operator('===', 'qux'), $iter));
        $iter = new \ArrayIterator([]);
        $this->assertSame(null, search(fn\operator('===', 'qux'), $iter));
    }