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Merge pull request #245 from appleboy/patch-2

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fix value undefined error.
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Unknwon
2016-03-28 01:05:30 -04:00
parent 0a09f552cc a86716fd78
commit 38204e4200
1 changed files with 5 additions and 2 deletions
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7
eBook/17.1.md
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@@ -5,10 +5,13 @@
（1）在函数返回时检测错误（参考[第5.2小节](05.2.md)）: （1）在函数返回时检测错误（参考[第5.2小节](05.2.md)）:
```go ```go
if value, err := pack1.Func1(param1); err != nil { value, err := pack1.Func1(param1)
if err != nil {
fmt.Printf(“Error %s in pack1.Func1 with parameter %v”, err.Error(), param1) fmt.Printf(“Error %s in pack1.Func1 with parameter %v”, err.Error(), param1)
return err return err
} }
// 函数Func1没有错误: // 函数Func1没有错误:
Process(value) Process(value)
@@ -73,4 +76,4 @@ if value, ok := varI.(T); ok {
- [目录](directory.md) - [目录](directory.md)
- 上一节：[模式](17.0.md) - 上一节：[模式](17.0.md)
- 下一节：[关于defer模式](17.2.md) - 下一节：[关于defer模式](17.2.md)