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Alex Rivera
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I want to construct boost::variant s containing default-constructed values, specified with a type index - without writing my own switch statement over the type index. I figure this must be possible, somehow, with MPL? To clarify though, the index is not a compile-time constant expression. The use case is that I need to construct a variant which will later be replaced with one containing the correct value, but at this point I only know the type index. Think of it as a lazy deserialisation problem.
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