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Fix code
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@@ -5,11 +5,16 @@
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(1)在函数返回时检测错误(参考[第5.2小节](05.2.md)):
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```go
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if value, err := pack1.Func1(param1); err != nil {
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value, err := pack1.Func1(param1)
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if err != nil {
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fmt.Printf(“Error %s in pack1.Func1 with parameter %v”, err.Error(), param1)
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return err
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}
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// 函数Func1没有错误:
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Process(value)
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e.g.: os.Open(file) strconv.Atoi(str)
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```
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