gopl-zh.github.com/exercise/ex-ch1-07.md
2015-12-09 15:45:11 +08:00

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**練習 1.7:** 函數調用io.Copy(dst, src)會從src中讀取內容併將讀到的結果寫入到dst中使用這個函數替代掉例子中的ioutil.ReadAll來拷貝響應結構體到os.Stdout避免申請一個緩衝區(例子中的b)來存儲。記得處理io.Copy返迴結果中的錯誤。