effective_go: remove unused variable from a couple of examples

Fixes #2481.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5435068

diff --git a/doc/effective_go.html b/doc/effective_go.html
index f0d0ffa53bf6de487be4caf8e38074376f31f4cc..8ce72fc19604a585152a906fae6e4939722221ab 100644 (file)
--- a/doc/effective_go.html
+++ b/doc/effective_go.html
@@ -2046,7 +2046,7 @@ It's easy to write a function to print the arguments.
 </p>
 <pre>
 func ArgServer() {
-    for i, s := range os.Args {
+    for _, s := range os.Args {
         fmt.Println(s)
     }
 }
@@ -2084,7 +2084,7 @@ to have the right signature.
 <pre>
 // Argument server.
 func ArgServer(w http.ResponseWriter, req *http.Request) {
-    for i, s := range os.Args {
+    for _, s := range os.Args {
         fmt.Fprintln(w, s)
     }
 }

diff --git a/doc/effective_go.tmpl b/doc/effective_go.tmpl
index b9ba469d4121a214d634b8fd4671ab3b8db50c6c..bd19f95d344a230b52f3a02150b6c45698056cfd 100644 (file)
--- a/doc/effective_go.tmpl
+++ b/doc/effective_go.tmpl
@@ -1984,7 +1984,7 @@ It's easy to write a function to print the arguments.
 </p>
 <pre>
 func ArgServer() {
-    for i, s := range os.Args {
+    for _, s := range os.Args {
         fmt.Println(s)
     }
 }
@@ -2022,7 +2022,7 @@ to have the right signature.
 <pre>
 // Argument server.
 func ArgServer(w http.ResponseWriter, req *http.Request) {
-    for i, s := range os.Args {
+    for _, s := range os.Args {
         fmt.Fprintln(w, s)
     }
 }