How do I write intrusive containers for financial apps?

Intrusive containers are a powerful way to manage data structures in financial applications, allowing better performance with less memory overhead. By using intrusive containers, you can have objects maintain pointers to their container, leading to efficient data management in high-performance environments.

Example of Intrusive List

Below is a simple implementation of an intrusive linked list in C++. This example showcases how to use intrusive containers for managing financial transactions.

// Intrusive Node for a financial transaction struct Transaction { int id; double amount; Transaction* next; // Pointer to the next transaction in the list Transaction(int id, double amount) : id(id), amount(amount), next(nullptr) {} }; class TransactionList { private: Transaction* head; public: TransactionList() : head(nullptr) {} void addTransaction(Transaction* transaction) { transaction->next = head; // Add to the front of the list head = transaction; } void printTransactions() { Transaction* current = head; while (current) { std::cout << "Transaction ID: " << current->id << ", Amount: " << current->amount << std::endl; current = current->next; } } };

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