When should I use std::unique_lock in C++?

When should I use std::unique_lock in C++?

You should use std::unique_lock when you need more flexibility than std::lock_guard, such as deferred locking or unlocking.

Can you explain the differences between std::unique_lock and std::lock_guard?

Sure! std::lock_guard is simpler and provides automatic locking and unlocking, while std::unique_lock allows for more control.

Are there any performance implications of using std::unique_lock?

Yes, std::unique_lock can be slightly less efficient due to its additional features, but it offers greater flexibility.

In what scenarios would std::unique_lock be preferred over std::lock_guard?

Use std::unique_lock when you need to lock and unlock multiple times or when you want to use condition variables.