Re: [boost] [variant] Warning: variadic templates in boost::variant

Antony Polukhin вроте:

However this: * breaks ABI (now variant is declared as `template class variant`)

Why not just template class variant? It's true that the degenerate case of variant<> isn't particularly useful, but then again, neither is the singular case of variant<X>. Is there a good reason to prohibit variant<>?