feat: simplify ValType structure

1 files changed, 5 insertions, 2 deletions

diff --git a/src/WebAssembly/Execution/Ref.php b/src/WebAssembly/Execution/Ref.php
index f7b6760..f9791d2 100644
--- a/src/WebAssembly/Execution/Ref.php
+++ b/src/WebAssembly/Execution/Ref.php
@@ -4,11 +4,14 @@ declare(strict_types=1);
 
 namespace Nsfisis\Waddiwasi\WebAssembly\Execution;
 
-use Nsfisis\Waddiwasi\WebAssembly\Structure\Types\RefType;
+use Nsfisis\Waddiwasi\WebAssembly\Structure\Types\ValType;
 
 abstract readonly class Ref
 {
-    final public static function RefNull(RefType $type): Refs\RefNull
+    /**
+     * @param ValType::FuncRef|ValType::ExternRef $type
+     */
+    final public static function RefNull(ValType $type): Refs\RefNull
     {
         return new Refs\RefNull($type);
     }