func (tg *TgBot) SendMessages() {
    for resp := range tg.SendMessagesChan {
        go func() {
            msg := tgbotapi.NewMessage(resp.ID, resp.Response)
            tg.TgClient.Send(msg)
        }()
    }
}

func (tg *TgBot) GetMessages() {
    for msg := range tg.updChan {
        go func() {
            tg.GetMessagesChan <- TgMsg{ID: msg.Message.Chat.ID, Request: msg.Message.Text}
        }()
    }
}