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From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada,comp.lang.c++
Subject: Re: [OT] Re: Teaching new tricks to an old dog (C++ -->Ada)
Date: 10 Mar 2005 17:36:09 -0500
Organization: The World Public Access UNIX, Brookline, MA
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Date: 2005-03-10T17:36:09-05:00
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Jim Rogers <jimmaureenrogers@att.net> writes:

> Yes you can. You can always program in your own checks manually.
> The drawback of doing that is that you cannot simply turn them off
> with a pragma, nor can the compiler so effectively optimize those
> checks out of your program when they are unneeded.

Ada compilers can optimize away manually-programmed checks as well as
built-in checks.  Whether it can do so in any particular situation
depends on the code -- how much information is available to allow the
compiler to prove things -- but not so much on whether the checks are
built in.

Likewise, C++ compilers can optimize away manually-programmed checks in
some cases.

- Bob