Method UpdateImpl

library/cpp/cache/cache.h:611–621

    template<typename TKeyRef, typename TValueRef>
    void UpdateImpl(TKeyRef&& key, TValueRef&& value) {
        if (MultiValue)
            ythrow yexception() << "TCache: can't \"Update\" in multicache";
        TIterator it = Find(key);
        if (it != End()) {
            Erase(it);
        }
        InsertImpl(std::forward<TKeyRef>(key), std::forward<TValueRef>(value));

        Y_ASSERT(Index.size() == List.GetSize());
    }

    void Update(const TKey& key, const TValue& value) {
        UpdateImpl(key, value);