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Re: yet another idl memory question [message #66784 is a reply to message #66699]

Mon, 08 June 2009 13:09

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Paolo writes:

> In fact, I don't think IDL has anything like classic
> "pointers to variables": pointers are just references to
> data in memory (similar to regular variabes), because a
> command such as ptr_new(A) just duplicate the contents of A
> to a new memory location, so there is no such a thing as a
> true pointer to variable A, right?

If you like, you can think of a pointer as a type of
IDL variable that doesn't currently work with UNDEFINE. :-)

Cheers,

David

--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		yet another idl memory question By: jw2519 on Thu, 04 June 2009 08:53
		Re: yet another idl memory question By: pgrigis on Wed, 10 June 2009 15:01
		Re: yet another idl memory question By: David Fanning on Wed, 10 June 2009 14:15
		Re: yet another idl memory question By: JDS on Mon, 15 June 2009 11:57
		Re: yet another idl memory question By: David Fanning on Mon, 08 June 2009 13:09
		Re: yet another idl memory question By: pgrigis on Mon, 08 June 2009 12:57
		Re: yet another idl memory question By: ben.bighair on Mon, 15 June 2009 12:07
		Re: yet another idl memory question By: pgrigis on Mon, 08 June 2009 12:56
		Re: yet another idl memory question By: David Fanning on Mon, 08 June 2009 12:05

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