Re: [BLACKBOX] OUT parameters

From: [at]} <Chris>
Date: Mon, 22 Oct 2012 22:03:24 +1030

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> -----Original Message-----
> From: BlackBox [mailto:BLACKBOX{([at]})nowhere.xy
> Robert (SELEX GALILEO, UK)
> Sent: Monday, 22 October 2012 9:54 PM
> To: BLACKBOX{([at]})nowhere.xy
> Subject: [BLACKBOX] OUT parameters
>
> Just out of idle curiosity, does anyone know when OUT variables are, in
> fact, initialised to the values in the outer context?
> In this case the variable was initialised, so no malfunction in the
> procedure was visible.
>

>From 'What's New in Component Pascal':

"OUT parameters are considered undefined upon procedure entry (except for
pointers and procedure variables, which are set to NIL upon procedure
entry)"

Regards,
Chris

Chris Burrows
CFB Software
http://www.cfbsoftware.com

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Received on Mon Oct 22 2012 - 13:33:24 UTC