From 0d33f6dfa94c5e07b7ebcd882ddee0377f2c61c9 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Tue, 21 Dec 2021 22:17:17 +0100
Subject: [PATCH] Move pattern matching outside of the loop

---
 src/librustdoc/html/sources.rs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/librustdoc/html/sources.rs b/src/librustdoc/html/sources.rs
index ba70ed8622a..962a954ff74 100644
--- a/src/librustdoc/html/sources.rs
+++ b/src/librustdoc/html/sources.rs
@@ -280,13 +280,15 @@ crate fn print_src(
         tmp /= 10;
     }
     line_numbers.write_str("<pre class=\"line-numbers\">");
-    for i in 1..=lines {
-        match source_context {
-            SourceContext::Standalone => {
-                writeln!(line_numbers, "<span id=\"{0}\">{0:1$}</span>", i, cols)
+    match source_context {
+        SourceContext::Standalone => {
+            for line in 1..=lines {
+                writeln!(line_numbers, "<span id=\"{0}\">{0:1$}</span>", line, cols)
             }
-            SourceContext::Embedded { offset } => {
-                writeln!(line_numbers, "<span>{0:1$}</span>", i + offset, cols)
+        }
+        SourceContext::Embedded { offset } => {
+            for line in 1..=lines {
+                writeln!(line_numbers, "<span>{0:1$}</span>", line + offset, cols)
             }
         }
     }