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ch5-04 done

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D 2016-01-05 23:49:26 +08:00
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ch5/ch5-04-1.md
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@ -79,7 +79,7 @@ bad.gopl.io
log.SetPrefix("wait: ")
log.SetFlags(0)
```
第四種情況：有時，我們隻需要輸出錯誤信息就足夠了，不需要中斷程序的運行。我們可以通過log包提供函數
第四種策略：有時，我們隻需要輸出錯誤信息就足夠了，不需要中斷程序的運行。我們可以通過log包提供函數
```
if err := Ping(); err != nil {
log.Printf("ping failed: %v; networking disabled",err)