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From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: comp.lang.ada
Subject: Re: This can't be done in Ada...or?
Date: Sat, 12 Feb 2005 20:55:31 +0100
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* Duncan Sands:

>> 3. does *not* cause any execution overhead if disabled.
>
> presumably you mean: when disabled at compile time?

In C, you can reach almost zero run-time overhead (certainly
non-measurable unless you put optional logging into inner loops) if
you use a preprocessor macro to fake lazy evaluation.  As far as I
know, it is not possible in Ada to suppress evaluation of subprogram
arguments at run-time.