9 Mar
2005
9 Mar
'05
4:20 p.m.
David Abrahams wrote:
Joel de Guzman <joel@boost-consulting.com> writes:
Perhaps do as the tuples do?
[123] <- a non-empty optional<int> [] <- an empty optional<T>
If you want to be unambiguous, it has to be more like:
[hello] <- a non-empty optional<std::string> [] <- a non-empty optional<std::string> (the string is empty) _ <- an empty optional<T>
Nice! I think the variant needs to follow. What does variant do? Cheers, -- Joel de Guzman http://www.boost-consulting.com http://spirit.sf.net