Fix a code error in example

Should be `err.Error()` rather than `err.String()` which is not existed
tuchang · Aug 9, 2014 · 8805746 · 8805746
1 parent 9cd9482
commit 8805746
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/go-communication.tex b/go-communication.tex
@@ -135,7 +135,7 @@ \section{网络}
 
 func main() {
     r, err := http.Get("http://www.google.com/robots.txt") |\longremark{使用 http 的 \func{Get} 获取 html；}|
-    if err != nil { fmt.Printf("%s\n", err.String()); return } |\longremark{错误处理；}|
+    if err != nil { fmt.Printf("%s\n", err.Error()); return } |\longremark{错误处理；}|
     b, err := ioutil.ReadAll(r.Body)    |\longremark{将整个内容读入 \var{b}；}|
     r.Body.Close()  
     if err == nil { fmt.Printf("%s", string(b)) } |\longremark{如果一切 OK 的话，打印内容。}|