Why can't I assign an std::optional of std::lock_guard?...

what is the scope of a c++ mutex lock guard?...

Understanding cppreference example on lock...

Troubles with std::lock_guard<std::mutex> and if constexpr block...

mutex used in a function defined inside a class doesn't seem to work when that function is calle...

Why doesn't mutex work without lock guard?...

scoped_lock inside lock_guard, is it redundant?...

How to pass only mutex to lock_guard constructor parameter...

Should I use lock_guard, scoped_lock or unique_lock in this situation?...

c++11: thread with mutex sees atomic variable's value changing despite this being the only code ...

Can using the lock of a mutex, adopted by a lock_guard, lead to a UB?...