How does C++ std::optional help with error handling?

What is std::optional in C++?

std::optional is a feature in C++ that allows you to represent an optional value, meaning a value that may or may not be present.

How does it improve error handling?

It helps by allowing functions to return an optional value instead of using exceptions or special sentinel values, making the code cleaner.

Can you give an example of using std::optional?

Sure! Here's a simple example: a function that returns an optional integer if a value is found, otherwise it returns std::nullopt.

What are the advantages of using std::optional over exceptions?

Using std::optional can lead to more readable code, as it avoids the complexity of exception handling and makes the intent clearer.