On 6/16/07, michael.a <[EMAIL PROTECTED]> wrote:
You are of course free to demonstrate how placement new could circumnavigate
the need of unions.

Boost.Variant implements discriminated unions using placement new:

 http://www.boost.org/doc/html/variant.html

Of course, you would have to mimic the techniques it is using and/or
change your code to use Boost.Variant. But, since you've relied on an
extension to C++, you'll have to change your code to make it portable
anyway.

 - Doug

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