Method GetOrNull

library/cpp/cache/thread_safe_cache.h:53–68

        }

        const TPtr GetOrNull(TArgs... args) {
            Key key = Callbacks.GetKey(args...);
            switch (GettersPromotionPolicy) {
                case EGettersPromotionPolicy::Promoted: {
                    TWriteGuard r(Mutex);
                    if (auto iter = Cache.Find(key); iter != Cache.End())
                        return iter.Value();
                }
                case EGettersPromotionPolicy::Unpromoted: {
                    TReadGuard r(Mutex);
                    if (auto iter = Cache.Find(key); iter != Cache.End())
                        return iter.Value();
                }
            }
            return nullptr;
        }

        const TPtr Get(TArgs... args) const {
            return GetValue<true>(args...);