Memory leaks in Go - Deferring function calls

for-loop-defers.go

func processManyFiles(files []string) error {
  for _, file := range files {
    err := process(file)
    if err != nil {
      return err 
    }
  }
  
  return nil
}

func process(name string) error {
  f, err := os.Open(name)
  if err != nil {
    return err
  }
  defer f.Close() 
  
  // do something with the file
  
  return nil
}