Mistakes C/C++ Devs make writing Go(about.sourcegraph.com)

    01  func doSomethingTwice() error {
    02      // Issue occurs below
    03      errc := make(chan error)
    04
    05      go func() {
    06          defer fmt.Println("done wth a")
    07          errc <- doSomething("a")
    08      }()
    09      go func() {
    10          defer fmt.Println("done with b")
    11          errc <- doSomething("b")
    12      }()
    13      err := <-errc
    14      return err
    15  }

    import "sync"
    func doSomethingTwice() error {
      // Issue occurs below
      var wg sync.WaitGroup()
      wg.Add(1)
      go func() {
          defer fmt.Println("done wth a")
          wg.Done()
      }()
      wg.Add(1)
      go func() {
          defer fmt.Println("done with b")
          wg.Done()
      }()
      wg.Wait()
      return nil
    }

       //Handle error.


}