Paul Evans questions

Paul Evans answers

• C++ - const keyword in methods and overload
• Correct C++ approach to store multi-type data
• "typename" and "template" keywords: are they really necessary?
• function declaration without definition
• Optimized way to find if a number is a perfect square
• Why STL classes do not overload swap() for rvalues?
• Is this expression an lvalue or an rvalue?
• Get template function type
• Thread joining issue
• How to properly implement a C++ class destructor