fixing Call to undefined method ReflectionUnionType::isBuiltin

Author: devajmeireles

src/Support/DependencyResolver.php

@@ -64,7 +64,7 @@ public function resolve(Closure|SerializableClosure $closure, array $arguments =
             /** @var ReflectionParameter|ReflectionNamedType $type */
             $type = $parameter->getType();
 
-            if ($type && ! $type->isBuiltin()) {
+            if ($type && (method_exists($type, 'isBuiltin') && ! $type->isBuiltin())) {
                 $resolved[] = $this->application->make($type->getName());
             } elseif ($parameter->isDefaultValueAvailable()) {
                 $resolved[] = $parameter->getDefaultValue();

tests/Feature/Support/DependencyResolver.php

@@ -4,6 +4,7 @@
 
 use Fraction\Exceptions\DependencyUnresolvable;
 use Fraction\Support\DependencyResolver;
+use Illuminate\Database\Eloquent\Model;
 
 test('can serialize and resolve dependencies', function () {
     $function = function (string $foo = 'bar') {
@@ -25,6 +26,16 @@
     expect($dependency->resolve($function))->toBe('bar');
 });
 
+test('can resolve multiples types', function () {
+    execute('one', function (array|Model|null $foo = null) {
+        return $foo;
+    })->rescued();
+
+    $test = run('one');
+
+    expect($test)->toBeNull();
+});
+
 test('cannot serialize and resolve dependencies', function () {
     $function = function ($foo) {
         return $foo;