int main()
{
MyClass foo (10);
const MyClass bar (20);
foo.get() = 16;
cout << foo.get() << endl;
cout << bar.get() << endl;
return 0;
}
friend std::size_t hash_value(const MyClass &o)
{
return boost::hash<int>()(o.get());
}
void print (const MyClass& arg)
{
cout << arg.get() << endl;
}