What's the most reliable way to prohibit a copy constructor in C++?

Question

Sometimes it\'s necessary to prohibit a copy constructor in a C++ class so that class becomes \"non-copyable\". Of course, operator= should be prohibited at the

Answer 1

The first one is better

Even better is C++0x 'delete' keyword:

class Class {
// useful stuff, then
public:
    Class(const Class&) = delete;
    void operator=(const Class&) = delete;
};