From 6f9a460fef36c427f477db4c3c2712267408fcff Mon Sep 17 00:00:00 2001
From: Michael Howell <michael@notriddle.com>
Date: Mon, 27 Jun 2022 11:07:45 -0700
Subject: [PATCH] Put back, fix ()-output optimization

---
 src/librustdoc/html/render/mod.rs       | 1 +
 src/librustdoc/html/static/js/search.js | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index b01afa02b8b..1ef41d62e5e 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -170,6 +170,7 @@ impl Serialize for IndexItemFunctionType {
                 _ => seq.serialize_element(&self.inputs)?,
             }
             match &self.output[..] {
+                [] => {}
                 [one] if one.generics.is_none() => seq.serialize_element(one)?,
                 _ => seq.serialize_element(&self.output)?,
             }
diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js
index a766dd68e10..46fab7ee57b 100644
--- a/src/librustdoc/html/static/js/search.js
+++ b/src/librustdoc/html/static/js/search.js
@@ -1910,7 +1910,7 @@ function initSearch(rawSearchIndex) {
                 output = buildItemSearchTypeAll(functionSearchType[OUTPUT_DATA], lowercasePaths);
             }
         } else {
-            output = null;
+            output = [];
         }
         return {
             inputs, output,