[boost] Re: conversions and SNIFAE

Thorsten Ottosen wrote:

| v = 0?v: list_of(...) | | FWIW ;-)

that is neat too, but still not optimal. How portable would SFINAE work with is_container<T>::value based on detecting member functions begin,end,size,empty ?

How do you want to apply SNIFAE in a conversion operator? Jens