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fix: add missing return in GetRequestID #77

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fix: add missing return in GetRequestID #77

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4 changes: 2 additions & 2 deletions content/stdlib/context/2-context 有什么作用.md
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,7 @@ func WithRequestID(next http.Handler) http.Handler {

// 获取 request-id
func GetRequestID(ctx context.Context) string {
ctx.Value(requestIDKey).(string)
return ctx.Value(requestIDKey).(string)
}

func Handle(rw http.ResponseWriter, req *http.Request) {
Expand Down Expand Up @@ -257,4 +257,4 @@ func main() {
}
```

增加一个 context，在 break 前调用 cancel 函数，取消 goroutine。gen 函数在接收到取消信号后，直接退出，系统回收资源。
增加一个 context，在 break 前调用 cancel 函数，取消 goroutine。gen 函数在接收到取消信号后，直接退出，系统回收资源。