4 #include <boost/variant.hpp>
5 #include <ka/utility.hpp>
10 template<
typename A,
typename B>
52 template<
typename Proc,
typename T>
53 auto visit(Proc&& proc, T&& variant)
54 -> decltype(boost::apply_visitor(ka::fwd<Proc>(proc), ka::fwd<T>(variant)))
57 return boost::apply_visitor(fwd<Proc>(proc), fwd<T>(variant));
61 #endif // QI_EITHER_HPP
boost::static_visitor< T > VisitorBase
auto visit(Proc &&proc, T &&variant) -> decltype(boost::apply_visitor(ka::fwd< Proc >(proc), ka::fwd< T >(variant)))
boost::variant< A, B > Either
Convenient alias to a variant of two types.