Merge pull request #28 from quant-php/dev

refactor: add Arrayable- and Equatable-contracts to Core package

Author: ThorstenSuckow

src/Quant/Core/Contract/Arrayable.php

@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * This file is part of the quant project.
+ *
+ * (c) 2023 Thorsten Suckow-Homberg <[email protected]>
+ *
+ * For full copyright and license information, please consult the LICENSE-file distributed
+ * with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Quant\Core\Contract;
+
+interface Arrayable
+{
+    /**
+     * Returns an array representation of an instance of this class.
+     *
+     * @return array<int, mixed>
+     */
+    public function toArray(): array;
+}

src/Quant/Core/Contract/Equatable.php

@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * This file is part of the quant project.
+ *
+ * (c) 2023 Thorsten Suckow-Homberg <[email protected]>
+ *
+ * For full copyright and license information, please consult the LICENSE-file distributed
+ * with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Quant\Core\Contract;
+
+interface Equatable
+{
+    public function equals(Equatable $target): bool;
+}