Re: [boost] [outcome] To variant, or not to variant?

Le 01/06/2017 à 20:30, Peter Dimov via Boost a écrit :

Robert Ramey wrote:

...

or

template<class T> struct outcome : public std::variant { // some special member functions outcome(const std::error_code & e){...} // construct as error outcome(const T & t){...} // construct legitimate result };

Something like this?

https://github.com/pdimov/variant2/blob/develop/include/boost/variant2/resul...

https://godbolt.org/g/EFGkCj

Thanks Peter for working on this. We need such a variant2 at least in Boost. As you show, building on top of a sound class makes the implementation much simpler. Best, Vicente