Re: [boost] [intrusive] Comments on interface changes and stateful value_traits (long)

Steven Watanabe wrote:

template<bool is_static, class Derived> struct base;

template<class Derived> struct base<true, Derived> { static R f(); };

template<class Derived> struct base<false, Derived> { R f(); };

template<class T> class C : base<f_is_static<T>::value, C<T> > {};

Thanks for your help! So a friendship relationship would be allow implementing the function in the base class. Regards, Ion