Method RemoveIfOverflown

library/cpp/cache/cache.h:238–245

    }

    TItem* RemoveIfOverflown() {
        TItem* deleted = nullptr;
        if (TotalSize > MaxSize && ItemsAmount > 1) {
            deleted = GetLeastFrequentlyUsed();
            Erase(deleted);
        }
        return deleted;
    }

    TItem* GetLeastFrequentlyUsed() {
        typename TListType::TIterator it = List.Begin();