update return types

Author: lolbinarycat

src/librustdoc/html/render/search_index.rs

@@ -854,7 +854,7 @@ pub(crate) fn get_function_type_for_search(
                 generics: None,
                 bindings: None,
             };
-            (vec![input], vec![output], vec![])
+            (vec![input], vec![output], vec![], vec![])
         }
         _ => return None,
     };
@@ -1374,10 +1374,10 @@ fn simplify_fn_constraint<'a>(
 /// Used to allow type-based search on constants and statics.
 fn make_nullary_fn(
     clean_type: &clean::Type,
-) -> (Vec<RenderType>, Vec<RenderType>, Vec<Vec<RenderType>>) {
+) -> (Vec<RenderType>, Vec<RenderType>, Vec<Symbol>, Vec<Vec<RenderType>>) {
     let mut rgen: FxIndexMap<SimplifiedParam, (isize, Vec<RenderType>)> = Default::default();
     let output = get_index_type(clean_type, vec![], &mut rgen);
-    (vec![], vec![output], vec![])
+    (vec![], vec![output], vec![], vec![])
 }
 
 /// Return the full list of types when bounds have been resolved.