diff --git a/metagen.inc.php b/metagen.inc.php
index 7e1a48e..0c57110 100644
--- a/metagen.inc.php
+++ b/metagen.inc.php
@@ -54,7 +54,9 @@ class mtgTypeRef implements mtgType
     while(sizeof(self::$unresolved) > 0)
     {
       $ref = array_shift(self::$unresolved);
-      $ref->resolve();
+      $resolved = $ref->resolve();
+      if($resolved instanceof mtgMetaFunc && $resolved->getName())
+        throw new Exception("Invalid resolving of named function as type: " . $resolved->getName() . " at " . $ref->origin);
     }
   }
 
@@ -303,6 +305,11 @@ class mtgMetaStruct extends mtgUserType
         throw new Exception("{$this->origin} : Duplicate interface reference '{$imp->getName()}'");
       $s->attach($imp);
     }
+
+    foreach($this->funcs as $func)
+    {
+      $func->validate($meta);
+    }
   }
 
   function getParent()
@@ -456,7 +463,8 @@ class mtgMetaFunc extends mtgMetaUnit implements mtgType
     $this->name = $name;
   }
 
-  function validate(mtgMetaInfo $meta) {}
+  function validate(mtgMetaInfo $meta)
+  {}
 
   function getMetaId()
   {
@@ -894,6 +902,7 @@ class mtgMetaField
   {
     return $this->hasToken($name) ? $this->tokens[$name] : null; 
   }
+  
 }
 
 class mtgMetaPacket extends mtgMetaStruct