public IActionResult Update(Gun gun)
{
GunOrganizator gunOrganizator = new GunOrganizator(gun);
gunHistory.History.Push(gunOrganizator.SaveState());
return(RedirectToAction("Index"));
}
public IActionResult Updat2(Gun gun)
{
GunOrganizator gunOrganizator = new GunOrganizator(gun);
gunOrganizator.RestoreState(gunHistory.History.Pop());
gun = gunOrganizator.SaveState();
gunRepo.Update(gun);
return(RedirectToAction("Index"));
}