for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
namespace Fundic\DataStructure;
use Fundic\DataStructure\Maybe\Maybe;
final class Dictionary
{
private $values = [];
private function __construct()
}
public static function empty() : self
return new self();
public function has(string $id) : bool
return array_key_exists($id, $this->values);
public function get(string $id) : Maybe
if (array_key_exists($id, $this->values)) {
return Maybe::just($this->values[$id]);
return Maybe::nothing();
public function add(string $id, $value) : self
$instance = clone $this;
$instance->values[$id] = $value;
return $instance;
marcosh /
fundic
