implements a first version of the cutoff without settings

milli/src/index.rs

@@ -2421,6 +2421,7 @@ pub(crate) mod tests {
             candidates: _,
             document_scores: _,
             mut documents_ids,
+            degraded: _,
         } = search.execute().unwrap();
         let primary_key_id = index.fields_ids_map(&rtxn).unwrap().id("primary_key").unwrap();
         documents_ids.sort_unstable();