type Line struct {
 Browsers []string
 Email string
 Name string
}

type Lines struct {
 ContentLines []Line
}

func FastSearch(out io.Writer) {
 file, errOpenFile := os.Open(filePath)
 if errOpenFile != nil {
  panic(errOpenFile)
 }

 fileContents, errFileRead := ioutil.ReadAll(file)
 if errFileRead != nil {
  panic(errFileRead)
 }

  var linesContent Lines
 gob.NewEncoder(linesContent).Encode(fileContents)
}

func (l Lines) Write(data []byte) (n int, err error) {
 fmt.Println("Aaaaa")

 return 666, nil
}