提高效率的工具库

• https://github.com/huandu/xstrings
  • 强大的字符串操作扩展
• 文档
  • https://github.com/gomutex/godocx
  • github.com/xuri/excelize
• https://github.com/deckarep/golang-set
  • set（sorted、threadsafe）
• https://github.com/bobg/go-generics
  • slices负索引操作
• https://github.com/lrita/cmap
  • 线程安全map（对key加锁！！！）
• https://github.com/samber/lo
  • go loadsh
• https://github.com/samber/do
  • go di
• https://github.com/samber/mo
  • FP(Function Programming) monad，参考Rust等语言，有如Option、Result等monad结构体

retry

• github.com/avast/retry-go/v4
  

  uid := util.UUIDPretty()  
  err := retry.Do(  
      func() error {  
         return os.RemoveAll(userDataDir)  
      },  
      retry.Attempts(7),  
      retry.MaxJitter(10*time.Second), // 最大RandomDelay  
      retry.Delay(2*time.Second),      // 基础间隔  
      retry.MaxDelay(15*time.Second),  // 延迟上限  
      retry.DelayType(retry.CombineDelay(retry.BackOffDelay, retry.RandomDelay)),  
      retry.OnRetry(func(attempt uint, err error) {  
         config.Log.Warnf("%s: remove fetch article browser userDataDir: attempt=%d/7, path=%s: %s", uid, attempt+1, userDataDir, err.Error())  
      }),  
      retry.LastErrorOnly(true), // 只返回最后一次错误 否则是 "All attempts fail:\n\#1: err\n\#n...")  
  if err != nil {  
      config.Log.Warnf("%s: remove fetch article browser userDataDir failed after try 7 times: path=%s", uid, userDataDir)  
  }