Is using a union through more than one member legal in D?

[div0]

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bearophile wrote:
>
> are several other undecided things like this, 

It's not undecided. It's very clear that a union is exactly equivalent
to it's C/C++ counter for the specific purposes of C/C++ interop and
other low level features like painting struct/unions over hardware
addresses.

Just cause you don't like the feature doesn't mean it's unclear, buggy
or otherwise pointless.

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