[lug] Can't create union with classes that have copy CTOR's?

[D. Stimits]

LittleViggy at alum.manhattan.edu wrote:
> 
> Hey all,
> 
> I'm trying to create a union of 5 classes.  All five have copy constructors,
> and the compiler is erroring out.  Albeit, I'm using Microsoft (sorry), but
> there's nothing in their documentation that says this is specific to M$.
> 
> Is this ANSI complient?  You can't create a union of classes with copy CTOR's?
> If so, why not?

Don't know why since it has been a long time since I saw this, but
you'll find no executable code can be in a union. I don't remember the
exact explanation, but I do recall I got it from the Stroustrup book,
third edition.

D. Stimits, stimits at idcomm.com

> 
> Viggy
> 
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