What are some advanced techniques for exception handling in C++?

What are some advanced techniques for exception handling in C++?

In C++, advanced exception handling techniques include using custom exception classes, RAII (Resource Acquisition Is Initialization), and the noexcept specifier. Would you like to dive deeper into any of these?

Can you explain RAII in more detail?

Sure! RAII is a programming idiom where resources are tied to the lifetime of objects. When an object goes out of scope, its destructor is called, automatically releasing resources. This helps prevent resource leaks and ensures exception safety.

What about using custom exception classes?

Custom exception classes allow you to create specific exceptions that can carry additional information, making it easier to handle different error types in a more granular way. You can derive from std::exception and override the what() method to provide custom error messages.

How does the noexcept specifier work?

The noexcept specifier indicates whether a function is allowed to throw exceptions. If a function declared with noexcept does throw, the program will call std::terminate. This can improve performance by allowing the compiler to optimize code better.