Should I return bool or const bool?

Question

Which is better:

bool MyClass::someQuery() const;

const bool MyClass::someQuery() const;

I\'ve been using \'const bool\' since I\'m sure I

Answer 1

This is an ancient post, but I think it's worth mentioning there is a potential corner case here since C++11. While, as stated by others, it will make no difference whether you use const bool or bool as return type in most cases, if you are using C++11 decltype and associates, e.g. result_of, you could declare a variable with the same type as the returning value of some function, and so the const would actually have an effect in this case.