From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2005-05-19 07:03:55
Jaakko Järvi writes:
> creates a variant type from an MPL Sequence.
> Is there an operation that would do the opposite, create an MPL
> sequence from a variant?
> I cannot just use the type parameter list as such because the types
> that stand for an empty type are different in both libraries:
> boost::detail::variant::void_ in variant, and something else in MPL.
Shouldn't matter. The variant docs say:
The bounded types of the variant are exposed via the nested
typedef types, which is an MPL-compatible Sequence containing the
set of types that must be handled by any visitor to the variant.
If that's not the case, it's a bug in the variant code.
-- Aleksey Gurtovoy MetaCommunications Engineering
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