From b17cf7a493bd9e80607ba0eeafcc2c22730f056c Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Sat, 2 Jul 2022 12:43:07 +0200
Subject: [PATCH] Remove unwanted trailing whitespaces for long declarations

---
 src/librustdoc/html/format.rs | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs
index 056eda089c1..5584ecd287a 100644
--- a/src/librustdoc/html/format.rs
+++ b/src/librustdoc/html/format.rs
@@ -1283,10 +1283,6 @@ fn inner_full_print(
         let mut args = Buffer::html();
         let mut args_plain = Buffer::new();
         for (i, input) in self.inputs.values.iter().enumerate() {
-            if i == 0 {
-                args.push_str("<br>");
-            }
-
             if let Some(selfty) = input.to_self() {
                 match selfty {
                     clean::SelfValue => {
@@ -1312,8 +1308,7 @@ fn inner_full_print(
                 }
             } else {
                 if i > 0 {
-                    args.push_str(" <br>");
-                    args_plain.push_str(" ");
+                    args.push_str("<br>");
                 }
                 if input.is_const {
                     args.push_str("const ");
@@ -1360,13 +1355,14 @@ fn inner_full_print(
             let full_pad = format!("<br>{}", "&nbsp;".repeat(indent + 4));
             let close_pad = format!("<br>{}", "&nbsp;".repeat(indent));
             format!(
-                "({args}{close}){arrow}",
+                "({pad}{args}{close}){arrow}",
+                pad = if self.inputs.values.is_empty() { "" } else { &full_pad },
                 args = args.replace("<br>", &full_pad),
                 close = close_pad,
                 arrow = arrow
             )
         } else {
-            format!("({args}){arrow}", args = args.replace("<br>", ""), arrow = arrow)
+            format!("({args}){arrow}", args = args.replace("<br>", " "), arrow = arrow)
         };
 
         if f.alternate() {