public override object Clone()
{
ThreeItemList <T> threeItemList = new ThreeItemList <T>();
threeItemList.Promote(this);
return(threeItemList);
}
public int Add(T value)
{
if (this._listStore == null)
{
this._listStore = new SingleItemList <T>();
}
FrugalListStoreState frugalListStoreState = this._listStore.Add(value);
if (frugalListStoreState != FrugalListStoreState.Success)
{
if (FrugalListStoreState.ThreeItemList == frugalListStoreState)
{
ThreeItemList <T> threeItemList = new ThreeItemList <T>();
threeItemList.Promote(this._listStore);
threeItemList.Add(value);
this._listStore = threeItemList;
}
else if (FrugalListStoreState.SixItemList != frugalListStoreState)
{
if (FrugalListStoreState.Array != frugalListStoreState)
{
throw new InvalidOperationException();
}
ArrayItemList <T> arrayItemList = new ArrayItemList <T>(this._listStore.Count + 1);
arrayItemList.Promote(this._listStore);
this._listStore = arrayItemList;
arrayItemList.Add(value);
this._listStore = arrayItemList;
}
else
{
SixItemList <T> sixItemList = new SixItemList <T>();
sixItemList.Promote(this._listStore);
this._listStore = sixItemList;
sixItemList.Add(value);
this._listStore = sixItemList;
}
}
return(this._listStore.Count - 1);
}