Detect empty trait arrays

src/tests.ts

@@ -48,15 +48,16 @@ class TestSuperclass {
 }
 
 
-const exp = extendsAndExpresses(
+const User = extendsAndExpresses(
     TestSuperclass,
     Identifiable<bigint>(),
     // Identifiable<number>()
+).then(e =>
+    class User
+    extends e.extends()
+    implements Implements<typeof e> {
+        id: bigint = -1n
+    }
 )
-// type ExpImpl = ImplStaticMembersExtendable<typeof TestSuperclass, typeof exp.traits>
-
-class User extends exp.extends() implements Implements<typeof exp> {
-    id: bigint = -1n
-}
 
 new User().id