feat: implement validation phaseHEADmain

1 files changed, 24 insertions, 0 deletions

diff --git a/src/WebAssembly/Structure/Types/ValType.php b/src/WebAssembly/Structure/Types/ValType.php
index ace4604..02e1113 100644
--- a/src/WebAssembly/Structure/Types/ValType.php
+++ b/src/WebAssembly/Structure/Types/ValType.php
@@ -13,4 +13,28 @@ enum ValType
     case V128;
     case FuncRef;
     case ExternRef;
+
+    public function isNum(): bool
+    {
+        return match ($this) {
+            ValType::I32 , ValType::I64 , ValType::F32 , ValType::F64 => true,
+            default => false,
+        };
+    }
+
+    public function isVec(): bool
+    {
+        return match ($this) {
+            ValType::V128 => true,
+            default => false,
+        };
+    }
+
+    public function isRef(): bool
+    {
+        return match ($this) {
+            ValType::FuncRef , ValType::ExternRef => true,
+            default => false,
+        };
+    }
 }