dummy return value

src/lib.rs

@@ -159,7 +159,7 @@ fn is_string_numeric(str: String) -> bool {
 /// e.g. pass all tile IDs into this to get a new non-conflicting tile ID
 #[inline]
 fn new_unique_id(ids: Vec<String>) -> String {
-
+    "hello".to_string()
 }
 
 pub trait Quote {