Method Dec

library/cpp/containers/comptrie/make_fast_layout.cpp:108–118

            }

            size_t Dec(size_t offset) {
                if (IsTree) {
                    return 0;
                }
                ui8& count = Body.at(offset / MinNodeSize);
                Y_ASSERT(count > 0);
                if (count != MaxCount) {
                    --count;
                }
                return count;
            }

            void Swap(TTrieNodeCounts& other) {
                Body.swap(other.Body);