✨ Add mixed value

src/Contracts/IsMixedValue.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sikessem\Values\Contracts;
+
+use Closure;
+
+interface IsMixedValue
+{
+    public function get(): mixed;
+
+    public function set(mixed $value): static;
+
+    public function update(callable|Closure $callback): static;
+
+    public static function from(mixed $value): self;
+}

src/MixedValue.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sikessem\Values;
+
+use Closure;
+use Sikessem\Values\Contracts\IsMixedValue;
+
+class MixedValue implements IsMixedValue
+{
+    protected mixed $value;
+
+    public function __construct(mixed $value)
+    {
+        $this->set($value);
+    }
+
+    public function get(): mixed
+    {
+        return $this->value;
+    }
+
+    public function set(mixed $value): static
+    {
+        $this->value = $value;
+
+        return $this;
+    }
+
+    public function update(callable|Closure $callback): static
+    {
+        return $this->set($callback($this->get()));
+    }
+
+    public static function from(mixed $value): self
+    {
+        if ($value instanceof self) {
+            return $value;
+        }
+
+        return new self($value);
+    }
+}

tests/Feat/ValueTest.php → tests/Feat/MixedValueTest.php

@@ -2,10 +2,10 @@
 
 declare(strict_types=1);
 
-use Sikessem\Values\Value;
+use Sikessem\Values\MixedValue;
 
 it('should work', function () {
-    $val = Value::from('Hello World');
+    $val = MixedValue::from('Hello World');
     $val->update(fn (string $data) => "{$data}!");
     expect($val->get())->toBe('Hello World!');
 });