Subj : Re: Why not unions
To   : comp.programming
From : Jon Harrop
Date : Wed Jul 27 2005 01:54 am

Flavius Vespasianus wrote:
> The problem is with all the alignment and data type differences among
> compilers, this is effectively useless these days.

Given that variants are still used extensively I don't think you can dismiss
unions. Compiler differences are totally irrelevant.

> I think you are mistaken about unions being more memory efficient than
> structures.

I think he meant that a union requires less space than a struct where all
but one member is unused at any given time.

-- 
Dr Jon D Harrop, Flying Frog Consultancy
http://www.ffconsultancy.com

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