embed: fix variable name in example

Use variable 'mux' for an http.ServeMux, not 'mutex'.

Change-Id: I58e9a8ebacbb61727ec4b8e4d0fd7f73e86ab381
Reviewed-on: https://go-review.googlesource.com/c/go/+/539515
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: qiulaidongfeng <2645477756@qq.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Emmanuel Odeke <emmanuel@orijtech.com>

diff --git a/src/embed/example_test.go b/src/embed/example_test.go
index 5498c275fdf9d3572a87a176958e5d2bf09282bb..b92eb520092013f4c33e897701c99d0941aec9cb 100644 (file)
--- a/src/embed/example_test.go
+++ b/src/embed/example_test.go
@@ -14,9 +14,9 @@ import (
 var content embed.FS
 
 func Example() {
-       mutex := http.NewServeMux()
-       mutex.Handle("/", http.FileServer(http.FS(content)))
-       err := http.ListenAndServe(":8080", mutex)
+       mux := http.NewServeMux()
+       mux.Handle("/", http.FileServer(http.FS(content)))
+       err := http.ListenAndServe(":8080", mux)
        if err != nil {
                log.Fatal(err)
        }