Method Insert

library/cpp/threading/skip_list/skiplist.h:184–193

        }

        bool Insert(T value) {
            TNode* node = PrepareInsert(value);
            if (Y_UNLIKELY(node && Compare(node, value) == 0)) {
                // we do not allow duplicates
                return false;
            }
            node = DoInsert(std::move(value));
            TCounter::OnInsert(node->GetValue());
            return true;
        }

        template <typename TInsertAction, typename TUpdateAction>
        bool Insert(const T& value, TInsertAction insert, TUpdateAction update) {