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From: Wesley Groleau <wesgroleau@despammed.com>
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Subject: Re: Ideas for Ada 200X
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Date: 2003-06-02T00:17:01-05:00
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> OK, I guess I wasn't clear enough. I meant that A += B is (if properly
> implemented) much more efficient than A := A + B. For anyone who
> doesn't understand why, it is because the latter requires the
> construction of a temporary to hold the sum, then a copy of the sum
> back over to A.

Still nope.  Under certain conditions, neither requires
a temporary.  Under other conditions, both do.  Rarely
(if ever) are they not identical.