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Re: undefining a variable [message #50110 is a reply to message #39333]

Wed, 13 September 2006 09:21

MarioIncandenza
Messages: 231
Registered: February 2005

Senior Member

Elegance certainly has its place. When you are dusting off a routine
you may have written eight years ago, and you say, 'Now why the devil
did I just set that entire huge structure = 0?', you'd better hope you
commented your code (boo!), or else used a nice intuitive command like
UNDEFINE() (yay!).

David Fanning wrote:
> Gianguido Cianci writes:
>
>> undefine.pro is clever, but sometimes it is sufficient to set that var
>> to a scalar value. That frees up the memory, though it won't free up
>> the name :-) I haven't needed undefine so far so I thought I'd post my
>> 2 cents.
>
> UNDEFINE wasn't written because it was "needed". It
> was written because it was "elegant". :-)
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming: http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Undefining a variable a pointer points to By: Benjamin Hornberger on Fri, 14 May 2004 14:07
		Re: undefining a variable By: MarioIncandenza on Wed, 13 September 2006 09:21
		Re: undefining a variable By: cgguido on Tue, 12 September 2006 18:25
		Re: undefining a variable By: David Fanning on Tue, 12 September 2006 08:35
		Re: undefining a variable By: cgguido on Tue, 12 September 2006 08:27
		Re: undefining a variable By: Ingo von Borstel on Tue, 12 September 2006 07:20
		Re: undefining a variable By: David Fanning on Tue, 12 September 2006 07:08

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