public function testHas()
{
$data = ['a' => 1, 'b' => ['c' => 2, 'd' => ['e' => 3]]];
$this->assertTrue(Access::has($data, 'a'));
$this->assertTrue(Access::has($data, 'b.d.e'));
$this->assertFalse(Access::has($data, 'a.b.c'));
}