function calls not working entirely >:(

tests/test.pla

@@ -3,6 +3,6 @@ add = Func(a: Int, b: Int): Int {
 }
 
 main = Func(): Int {
-	print("apples %i", add(2, 3));
-	return 0;
+	add(1,2);
+	return x;
 }