From aecf20bc7434bb1f2e1483c640809042d0568e1c Mon Sep 17 00:00:00 2001
From: Arpad Borsos <swatinem@swatinem.de>
Date: Sun, 18 Apr 2021 21:32:33 +0200
Subject: [PATCH] rustdoc: Remove double toggle to show undocumented items

---
 src/librustdoc/html/static/main.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index d71cc15a4576f..68d8335400126 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -2682,6 +2682,13 @@ function hideThemeButtonState() {
                 inner_toggle.onclick = toggleClicked;
                 e.insertBefore(inner_toggle, e.firstChild);
                 impl_call(e.previousSibling, inner_toggle);
+
+                // If *all* the items are hidden by default, remove the unnecessary indirection
+                // by toggling the items to be visible and removing the toggle.
+                if (e.childElementCount - 1 === hiddenElems.length) {
+                    inner_toggle.click();
+                    e.removeChild(inner_toggle);
+                }
             }
         });