...

src/compiler/Nub.Lang/Frontend/Parsing/Parser.cs

@@ -596,7 +596,19 @@ public class Parser
     {
         if (TryExpectIdentifier(out var name))
         {
-            return NubType.Parse(name);
+            if (NubPrimitiveType.TryParse(name, out var primitiveTypeKind))
+            {
+                return new NubPrimitiveType(primitiveTypeKind.Value);
+            }
+            else
+            {
+                var @namespace = _namespace;
+                if (TryExpectSymbol(Symbol.DoubleColon))
+                {
+                    @namespace = ExpectIdentifier().Value;
+                }
+                return new NubStructType(@namespace, name);
+            }
         }
 
         if (TryExpectSymbol(Symbol.Caret))