✨ Add bool value

src/BoolValue.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sikessem\Values;
+
+use Sikessem\Values\Concerns\AsBool;
+use Sikessem\Values\Contracts\BoolType;
+
+class BoolValue implements BoolType
+{
+    use AsBool;
+
+    public function __construct(protected bool $value)
+    {
+        $this->value = $value;
+    }
+
+    public function get(): bool
+    {
+        return $this->value;
+    }
+}

src/Concerns/AsBool.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Sikessem\Values\Concerns;
+
+use Sikessem\Values\Contracts\ScalarType;
+
+trait AsBool
+{
+    use AsScalar;
+
+    abstract public function get(): bool;
+
+    /**
+     * @throws \InvalidArgumentException If the value is not a boolean.
+     */
+    public static function from(mixed $value): self
+    {
+        if ($value instanceof static) {
+            return $value;
+        }
+
+        if ($value instanceof ScalarType) {
+            $value = (bool) $value->get();
+        }
+
+        if (is_bool($value)) {
+            return new self($value);
+        }
+
+        throw new \InvalidArgumentException(sprintf(
+            'Value "%s" is not a boolean.',
+            get_debug_type($value),
+        ));
+    }
+}

src/Contracts/BoolType.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Sikessem\Values\Contracts;
+
+interface BoolType extends ScalarType
+{
+    public function get(): bool;
+}

tests/Unit/BoolTest.php

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+<?php
+
+declare(strict_types=1);
+
+use Sikessem\Values\BoolValue;
+use Sikessem\Values\Contracts\BoolType;
+use Sikessem\Values\Contracts\ScalarType;
+
+beforeEach(function () {
+    $this->bool = BoolValue::from(true);
+});
+
+it('should be instantiable', function () {
+    expect($this->bool)->toBeInstanceOf(BoolValue::class);
+});
+
+it('should be an instance of BoolType', function () {
+    expect($this->bool)->toBeInstanceOf(BoolType::class);
+});
+
+it('should be an instance of ScalarType', function () {
+    expect($this->bool)->toBeInstanceOf(ScalarType::class);
+});
+
+it('should return the value', function () {
+    expect($this->bool->get())->toBe(true);
+});