public Maybe <TItem> MaybeGetItem <TItem>(TypedKey <TItem> key) where TItem : TItemBase
{
TypedKey erasedKey = key;
Maybe <TItemBase> result = MaybeGetItem(erasedKey);
if (result.HasValue)
{
return(Maybe.Return((TItem)result.Value));
}
return(Maybe.Nothing);
}
public Maybe <T> MaybeGetItem(TypedKey key)
{
return(_items.GetValue(key.Type));
}
public void RemoveItem(TypedKey key)
{
_items.Remove(key.Type);
}
public void AddItem(TypedKey key, T item)
{
_items[key.Type] = item;
}
public void AddItem <TItem>(TypedKey <TItem> key, TItem item) where TItem : TItemBase
{
TypedKey erasedKey = key;
AddItem(erasedKey, item);
}
public void RemoveItem <TItem>(TypedKey <TItem> key)
{
TypedKey erasedKey = key;
RemoveItem(erasedKey);
}
