public void LoadEngine(Engine engine)
{
if (_engine != null) {
throw new InvalidOperationException();
}
_engine = engine;
}
public Car(
Engine engine,
Tyre[] tyres
)
{
LoadEngine (engine);
if (tyres != null) {
foreach (var item in tyres) {
AddTyre (item);
}
}
}
public Engine UnloadEngine()
{
var engine = _engine;
_engine = null;
return engine;
}