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From: Jeffrey Carter <jeffrey.carter@boeing.com>
Subject: Re: C-style 'union' in Ada?
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Date: 2001-08-17T16:38:44+00:00
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Ted Dennison wrote:
> 
> Note that since Unchecked_Conversion is a function, an assignment of the value
> will occur. That's why we usually perform it on pointers when the target data is
> large buffers.

Unchecked_Conversion is allowed to return its result "by reference".
This allows a good compiler to avoid assignment when possible.

-- 
Jeffrey Carter