What are the best practices for using Lambdas in C++?

What are the best practices for using Lambdas in C++?

When using Lambdas in C++, consider the following best practices: 1. Keep them simple and concise. 2. Use captures wisely to avoid unnecessary copies. 3. Prefer using auto for type deduction. 4. Ensure they are stateless when possible for better performance.

Can you explain what captures are in Lambdas?

Captures in Lambdas allow you to access variables from the surrounding scope. You can capture by value or by reference, which determines how the Lambda interacts with those variables.

What are the performance implications of using Lambdas?

Lambdas can introduce overhead, especially if they capture large objects by value. It's important to analyze their usage in performance-critical sections of your code.

Are there any limitations to using Lambdas?

Yes, Lambdas cannot be used as default arguments, and they cannot be converted to function pointers if they capture variables. Additionally, they may have limitations in certain contexts like templates.