public void Unplug()
{
if (_device == null)
{
Console.WriteLine("There are no devices plugged in.");
}
else
{
Console.WriteLine($"{_device.Name()} unplugged.\n");
_device = null;
}
}
public void PlugIn(ThreePinPlugDevice device)
{
if (_device == null)
{
_device = device;
Console.WriteLine($"{device.Name()} plugged in.");
}
else
{
Console.WriteLine($"Unable to plug {device.Name()} in, {_device.Name()} already plugged in.");
}
}